Bed 01 · c. 2333 BCE - 668 CE
Gojoseon and the Three Kingdoms
From the legendary kingdom of Gojoseon to the rival realms of Goguryeo, Baekje, and Silla, the early peninsula forged distinct states, adopted Buddhism, and built the foundations of Korean civilization.
Korean tradition traces the origin of the nation to Gojoseon, a kingdom said to have been founded in 2333 BCE by Dangun, the offspring of a heavenly prince and a bear transformed into a woman, as recounted in the 13th-century Samguk yusa. While the foundation legend is mythical, Gojoseon was a real Bronze and Iron Age polity in the northern peninsula and parts of Manchuria, and its memory remains central to Korean identity; the date is still observed as National Foundation Day. Gojoseon fell to the Han Chinese empire in 108 BCE, after which the peninsula fragmented into smaller statelets.
Out of this fragmentation rose the Three Kingdoms, conventionally dated from the 1st century BCE to 668 CE. Goguryeo, the largest and most militarized, dominated the north and much of Manchuria; Baekje, in the southwest, was a maritime power that transmitted culture and Buddhism to Japan; and Silla, in the southeast, rose later but proved the most diplomatically adept. Buddhism, introduced in the 4th century, became a unifying religious and artistic force, and each kingdom developed sophisticated statecraft, walled capitals, and elaborate royal tombs.
The balance of power shifted decisively when Silla allied with Tang China. Silla and Tang forces conquered Baekje in 660 and the formidable Goguryeo in 668, after which Silla turned on its Tang ally and drove Chinese forces from the peninsula. This victory brought the Korean people under a single indigenous rule for the first time in their recorded history, ending the Three Kingdoms period and opening the age of Unified Silla.
“The unification of the peninsula under Silla in 668 marked the first time the Korean people were brought together under a single indigenous government.”
— Encyclopaedia Britannica, on Korean history
Turning points
- 2333 BCE (legendary) — Formation:
- 108 BCE — War & Rupture:
Fall of Gojoseon to Han China
The Han dynasty conquers Gojoseon and establishes commanderies in the north, fragmenting the peninsula into smaller competing states.
See the data - c. 57 BCE - 1st century CE — Formation:
- c. 372 CE — 372 — Religion:
- 668 CE — 668 — War & Rupture:
Silla unifies the peninsula
Allied with Tang China, Silla conquers Baekje in 660 and Goguryeo in 668, then expels the Tang, achieving the first unification of Korea under native rule.
See the data
Figures of the era
Dangunmythical, traditionally from 2333 BCE
Legendary founder of Gojoseon
The mythical progenitor of the Korean nation, said in the Samguk yusa to have founded Gojoseon in 2333 BCE. No historical evidence supports his existence, but he remains a powerful symbol of Korean origins, honored each year on National Foundation Day.
Bed sources: Korea (history), Gojoseon, Three Kingdoms period, Unified Silla dynasty
Bed 02 · 668 - 1392 CE
Unified Silla and Goryeo
Under Silla and then Goryeo, a unified Korea flourished as a Buddhist civilization, produced masterworks of art and printing, and weathered devastating Mongol invasions.
Unified Silla, ruling from its capital at Gyeongju, presided over a golden age of Buddhist culture from 668 into the 9th century. It built the Bulguksa temple and the Seokguram grotto, cast great bronze bells, and absorbed Tang Chinese learning while maintaining its own aristocratic bone-rank social order. By the late 8th century, struggles among the nobility weakened central authority, and in the early 10th century regional warlords carved out rival regimes, fracturing the kingdom once more.
From this turmoil emerged Wang Geon, who founded the Goryeo dynasty in 918 and reunified the peninsula by 935 and 936, accepting the peaceful submission of the last Silla king. Goryeo, from which the Western name Korea derives, ruled from Kaesong and built a Confucian-style civil service alongside a powerful Buddhist establishment. Its artisans produced celebrated celadon ceramics, and Goryeo Buddhists carved the entire Buddhist canon onto the more than 80,000 woodblocks of the Tripitaka Koreana and developed movable metal type generations before Gutenberg.
Goryeo's later centuries were dominated by military coups and, most devastatingly, by the Mongol invasions that began in 1231. After decades of resistance from a refuge on Ganghwa Island, Goryeo submitted to Mongol overlordship and endured roughly a century as a subordinate of the Yuan empire. As Mongol power waned in the 14th century, factional strife and the ambition of a powerful general, Yi Seong-gye, brought the dynasty to an end in 1392.
Turning points
- c. 751 CE — 751 — Culture & Ideas:
- 918 CE — 918 — Formation:
- 1231 CE — 1231 — War & Rupture:
Mongol invasions begin
Mongol armies invade Goryeo; after prolonged resistance from Ganghwa Island, Korea submits to Yuan overlordship for roughly a century.
See the data - 1236-1251 CE — 1251 — Religion:
- 1392 CE — 1392 — Politics & Power:
Figures of the era
Wang Geon (Taejo of Goryeo)877-943 CE
Founder of the Goryeo dynasty
A regional general who founded Goryeo in 918 and reunified the peninsula by 936, accepting the surrender of the last Silla king. His dynasty's name, by way of Goryeo, gave the world the word Korea.
Bed sources: Unified Silla dynasty, Koryo (Goryeo) dynasty, Korea (history), Seokguram Grotto and Bulguksa Temple, Haeinsa Temple Janggyeong Panjeon, the Depositories for the Tripitaka Koreana Woodblocks, Joseon dynasty
Bed 03 · 1392 - 1910 CE
The Joseon Dynasty
For more than five centuries the Confucian Joseon kingdom shaped Korean society, language, and statecraft, giving Korea its alphabet before foreign pressure and Japanese ambition brought the dynasty to its end.
Yi Seong-gye, taking the reign name Taejo, founded the Joseon dynasty in 1392 and moved the capital to Hanyang, modern Seoul. Joseon embraced Neo-Confucianism as the organizing philosophy of state and society, displacing the Buddhist establishment of Goryeo. Government by an examined scholar-official class, ancestral ritual, and a strict social hierarchy defined the new order, which would endure as one of the longest-lived monarchies in world history.
The dynasty reached an early cultural summit under King Sejong the Great, who reigned from 1418 to 1450. Concerned that ordinary Koreans could not learn the difficult Chinese characters, Sejong sponsored the creation of hangul, a scientific phonetic alphabet, completed in 1443 and promulgated in 1446 through the Hunminjeongeum. His era also advanced astronomy, agriculture, music, and printing, and is remembered as a high point of Korean civilization.
Joseon endured catastrophic invasions, including Hideyoshi's Japanese campaigns of the 1590s, repelled in part by Admiral Yi Sun-sin and his armored turtle ships, and Manchu invasions in the 17th century. In its final century the kingdom, long isolationist, was forced open by foreign powers. Japan, after defeating China and Russia in wars fought partly over Korea, made the country a protectorate in 1905 and annexed it outright in 1910, extinguishing the dynasty and Korean independence.
“King Sejong sponsored the creation of hangul so that the common people could read and write their own language.”
— Korean history, Joseon dynasty
Turning points
- 1392 CE — 1392 — Formation:
- 1443-1446 CE — 1443 — Culture & Ideas:
- 1592-1598 CE — 1592 — War & Rupture:
Japanese (Imjin) invasions repelled
Toyotomi Hideyoshi's forces invade Korea; resistance led by Admiral Yi Sun-sin and his turtle ships, with Ming Chinese aid, ultimately drives them out.
See the data - 1905 CE — 1905 — Colonisation:
Korea made a Japanese protectorate
After defeating Russia, Japan imposes a protectorate treaty stripping Korea of its diplomatic sovereignty, a prelude to full annexation.
See the data - 1910 CE — 1910 — Colonisation:
Japanese annexation of Korea
Japan formally annexes Korea, ending the Joseon dynasty and more than five centuries of Korean monarchy and beginning 35 years of colonial rule.
See the data
Figures of the era
King Sejong the Great1397-1450 CE
Fourth king of Joseon
Reigning from 1418 to 1450, Sejong sponsored the creation of the hangul alphabet and presided over advances in science, music, and governance, making his reign a cultural golden age still revered in Korea.
Yi Sun-sin1545-1598 CE
Joseon admiral
The naval commander who defeated far larger Japanese fleets during the Imjin invasions of the 1590s, most famously at Myeongnyang, using innovative tactics and armored turtle ships. He remains a Korean national hero.
Bed sources: Joseon dynasty, Korea (history), Korea Under Japanese Rule, Hunminjeongeum Manuscript
Bed 04 · 1910 - 1945 CE
Japanese Colonial Rule
For thirty-five years Korea was a colony of imperial Japan, subjected to political repression, economic exploitation, forced labor, and a campaign to erase Korean identity, even as a determined independence movement endured.
Japanese colonial rule from 1910 to 1945 was a period of severe repression. The colonial government governed by military and police power, restricted political freedoms, censored the press, and reorganized the Korean economy to serve Japanese interests, channeling rice and resources to Japan. Korean land was surveyed and redistributed in ways that dispossessed many farmers, and industrialization, where it occurred, served the imperial economy rather than Korean welfare.
Resistance was constant. On 1 March 1919, following the death of the former emperor Gojong, Koreans launched the March First Movement, reading a Declaration of Independence in Seoul and igniting nationwide demonstrations that drew an estimated two million participants. The protests, though largely peaceful, were crushed with mass arrests and thousands of deaths. The movement nonetheless galvanized the independence cause and led to the founding of a Korean Provisional Government in exile in Shanghai.
In the later colonial decades Japan intensified forced assimilation, suppressing the Korean language, pressing Koreans to adopt Japanese names, and mobilizing the population for war. As the Pacific War widened, hundreds of thousands of Koreans were conscripted for forced labor and military service, and many Korean women and girls were coerced into sexual slavery for the Japanese military, the so-called comfort women, a grievous crime whose legacy still strains relations. Colonial rule ended only with Japan's surrender on 15 August 1945, a date Koreans mark as Liberation Day.
“The March First Movement of 1919 drew an estimated two million Koreans into peaceful protest against colonial rule and was met with brutal suppression.”
— Korean independence movement
Turning points
- 1910 CE — 1910 — Colonisation:
Annexation and colonial government
Japan installs a Government-General in Seoul, ruling Korea through military and police power and beginning systematic economic exploitation.
See the data - 1 March 1919 — 1919 — Independence:
March First Movement
A Declaration of Independence sparks nationwide demonstrations by some two million Koreans; the peaceful protests are violently suppressed with thousands killed.
See the data - April 1919 — 1919 — Politics & Power:
- c. 1939-1945 CE — 1939 — Colonisation:
Forced labor and wartime mobilization
As the Pacific War expands, Japan conscripts hundreds of thousands of Koreans for forced labor and military service and coerces women into sexual slavery.
See the data - Night of 10-11 August 1945 — 1945 — Politics & Power:
Rusk and Bonesteel propose the 38th parallel
During an overnight meeting in John McCloy's Pentagon office, US Army officers Dean Rusk and Charles Bonesteel are asked to retire to an adjoining room and propose where US forces should accept Japan's surrender in Korea. They recommend the 38th parallel to include Seoul in the American area, though it lay further north than US forces could reach if the Soviet Union disagreed (Rusk's own later account, 1950).
- 15 August 1945 — 1945 — Independence:
Liberation from Japan
Japan's surrender ends 35 years of colonial rule; Koreans celebrate Gwangbokjeol, the Restoration of Light, even as foreign occupation and division loom.
See the data - 16 August 1945 — 1945 — Politics & Power:
Stalin does not object to General Order No. 1
General Order No. 1, which assigns the Japanese surrender in Korea north of 38 degrees north latitude to Soviet forces and south of it to US forces, is approved by President Truman on 17 August. In his 16 August reply Stalin writes that he has no objection in principle to the order, asking only for changes concerning the Kuril Islands and northern Hokkaido; Rusk later recalled being surprised that the Soviet Union accepted the parallel.
Figures of the era
Yu Gwan-sun1902-1920
Independence activist
A schoolgirl who became a symbol of the March First Movement, she organized demonstrations, was imprisoned and tortured by Japanese authorities, and died in prison at the age of seventeen, becoming an enduring martyr of the independence cause.
Bed sources: Korea Under Japanese Rule, March First Movement, Korea (history), The Korean War and Japan's Recovery, Foreign Relations of the United States, 1945, Vol. VI, Doc. 771: Draft memorandum on Korea, with Dean Rusk's memorandum of 12 July 1950 on the 38th parallel, Foreign Relations of the United States, 1945, Vol. VI, Doc. 437: General Order No. 1 for the surrender of Japan (JCS memorandum, 14 August 1945), Foreign Relations of the United States, 1945, Vol. VI, Doc. 450: Stalin to Truman on General Order No. 1, 16 August 1945
Bed 05 · 1945 - 1979 CE
Division, the Korean War, and Authoritarian Rebuilding
Liberation gave way to national division, the devastation of the Korean War, and decades of authoritarian rule under which a shattered South was forced into rapid industrialization.
Liberation in 1945 did not bring unity. The peninsula was divided along the 38th parallel into a Soviet occupation zone in the north and an American zone in the south, a line drawn hastily by two officers with little regard for geography. As Cold War rivalries hardened, two opposed states emerged in 1948: the Republic of Korea in the south, proclaimed on 15 August under President Syngman Rhee, and the Soviet-backed Democratic People's Republic of Korea in the north under Kim Il-sung.
On 25 June 1950 North Korea invaded the South, opening the Korean War, the first major armed conflict of the Cold War. North Korean forces nearly overran the peninsula before a United Nations coalition led by the United States intervened, pushing north until China entered the war and drove the front back toward the original division. After three years of immense destruction, the war that killed several million people, most of them civilians, ended on 27 July 1953 in an armistice, not a peace treaty. The two Koreas remain technically at war, separated by a heavily fortified Demilitarized Zone.
The postwar South was impoverished and unstable. Syngman Rhee's increasingly autocratic rule ended in the student-led April Revolution of 1960. In May 1961 General Park Chung-hee seized power in a military coup and ruled for eighteen years, suppressing dissent while driving an export-led industrialization program, the Miracle on the Han River, built around state planning and the family conglomerates known as chaebol. Growth was extraordinary, but it came at the cost of civil liberties, repression, and the imprisonment of opponents. Park's rule ended only with his assassination in 1979.
“The Korean War ended in 1953 with an armistice rather than a peace treaty, crystallizing the division between North and South that exists today.”
— U.S. Department of State, Office of the Historian
Turning points
- 1945 CE — 1945 — Politics & Power:
- 7-8 September 1945 — 1945 — Politics & Power:
American forces land at Incheon
MacArthur's Proclamation No. 1 (7 September) assumes military government over Korea south of 38 degrees north latitude. A small advance party of the US XXIV Corps had landed at Kimpo airfield near Seoul on 4 September; the bulk of the corps lands at Incheon and enters Seoul on 8 September.
- 10 May 1948 — 1948 — Politics & Power:
Election in the south
Elections for a National Assembly are held in South Korea, with an estimated 80 percent of eligible voters taking part; the North does not take part or recognize the result, and the UN commission is barred from the North. The UN Temporary Commission on Korea reports the results valid.
- 15 August 1948 — 1948 — Formation:
- 25 June 1950 — 1950 — War & Rupture:
The Korean War
North Korea invades the South; a US-led UN force and Chinese intervention turn the war into a grinding stalemate that devastates the peninsula and kills millions.
See the data - 1-4 August 1950 — 1950 — War & Rupture:
The Pusan Perimeter
US and ROK units withdraw behind the Naktong River into a rectangle nearly 100 miles from north to south and about 50 miles from east to west around Pusan, where the Eighth Army commander orders that there will be no further retreat.
See the data - 15 September 1950 — 1950 — War & Rupture:
Inchon landing
US Marines, backed by naval and air bombardment, assault Inchon and quickly defeat its North Korean defenders. On 27 September MacArthur is authorized to conduct operations north of the 38th parallel.
See the data - 21 November 1950 — 1950 — War & Rupture:
US troops reach the Yalu
Troops of the US 7th Division's 17th Infantry reach the Yalu River at Hyesanjin, as Chinese armies mass along the river in Manchuria and an unknown number have already entered Korea.
See the data - 27 July 1953 — 1953 — War & Rupture:
Korean War armistice
An armistice halts the fighting near the 38th parallel and creates the Demilitarized Zone; no peace treaty is signed, freezing the division to the present day.
See the data - 27 July 1953 — 1953 — War & Rupture:
The Demilitarized Zone is defined
The armistice, signed at Panmunjom by Lt. Gen. William K. Harrison Jr. for the UN Command and Gen. Nam Il for the Korean People's Army and the Chinese People's Volunteers, fixes a military demarcation line and has both sides withdraw two kilometres from it, making a buffer zone about four kilometres wide. The line follows the positions held at the end of the fighting, not the 38th parallel; the coast-to-coast length is given as 238 kilometres by National Geographic.
See the data - 16 May 1961 — 1961 — Politics & Power:
Figures of the era
Syngman Rhee1875-1965
First president of South Korea
A longtime independence activist who became the Republic of Korea's first president in 1948 and led it through the Korean War. His rule grew autocratic and corrupt, ending when the April Revolution of 1960 forced him into exile.
Park Chung-hee1917-1979
Military leader and president
Seizing power in 1961, he ruled for eighteen years, driving South Korea's rapid industrialization through state planning and the chaebol while suppressing dissent. He was assassinated by his own intelligence chief in 1979.
Bed sources: The Korean War and Japan's Recovery, Syngman Rhee, Park Chung-Hee, Korea (history), Foreign Relations of the United States, 1945, Vol. VI, Doc. 776: Proclamation No. 1 by General Douglas MacArthur, 7 September 1945, Policy and Direction: The First Year, Chapter II, The House Divided, Policy and Direction: The First Year, Chapter VII, Bolstering the Forces, Policy and Direction: The First Year, Chapter X, Crossing the Parallel, Policy and Direction: The First Year, Chapter XIV, The Threshold of Victory, Armistice Agreement for the Restoration of the South Korean State (1953), Why the Korean DMZ is not the 38th parallel
Bed 06 · 1980 - present
Democratization and Modern South Korea
Through mass struggle South Korea won its democracy, survived financial crisis, and transformed an economic miracle into a global cultural force that now reaches every corner of the world.
Park's death did not immediately bring freedom. General Chun Doo-hwan seized power, and in May 1980 the military brutally crushed a popular uprising in Gwangju, killing many citizens in an event that became a defining trauma and rallying point for the democracy movement. The struggle culminated in June 1987, when millions joined the nationwide June Democratic Struggle and forced the government to concede direct presidential elections and constitutional reform, establishing the Sixth Republic that governs South Korea today. The 1988 Seoul Olympics announced the country's arrival on the world stage.
Democratic consolidation was tested by the 1997 Asian financial crisis, which pushed South Korea to the brink of collapse and required a large International Monetary Fund rescue. Under President Kim Dae-jung, a former dissident once sentenced to death, the country restructured its economy and pursued reconciliation with the North through the Sunshine Policy, leading to the first inter-Korean summit in 2000, for which Kim received the Nobel Peace Prize. Power passed peacefully between rival parties, confirming the maturity of Korean democracy.
In the 21st century South Korea has become an advanced economy and technology leader, home to global firms in electronics, automobiles, and shipbuilding. Its cultural exports, the Korean Wave or Hallyu, have spread worldwide through K-pop, television dramas, and films, with acts such as BTS and works such as the Oscar-winning Parasite achieving unprecedented global reach. A vibrant if contentious democracy, South Korea continues to grapple with the unresolved division of the peninsula and an aging population, while wielding outsized cultural and economic influence.
“The June 1987 demonstrations forced the authoritarian government to hold direct presidential elections, establishing the Sixth Republic, the present-day government of the Republic of Korea.”
— June Democratic Struggle
Turning points
- 18-27 May 1980 — 1980 — Politics & Power:
- June 1987 — 1987 — Politics & Power:
- 1988 CE — 1988 — Culture & Ideas:
- 1997-1998 CE — 1997 — Economy & Trade:
Asian financial crisis and IMF rescue
A regional financial crisis forces South Korea to seek a major IMF bailout; sweeping reforms follow under President Kim Dae-jung.
See the data - June 2000 — 2000 — Politics & Power:
First inter-Korean summit
President Kim Dae-jung meets North Korea's Kim Jong-il in Pyongyang under the Sunshine Policy; Kim Dae-jung receives the Nobel Peace Prize that year.
Figures of the era
Kim Dae-jung1924-2009
President and democracy advocate
A dissident once sentenced to death under military rule, he became president in 1998, led South Korea out of financial crisis, and pursued reconciliation with the North through the Sunshine Policy, winning the 2000 Nobel Peace Prize.
Bed sources: Gwangju Uprising, Archives for the May 18th Democratic Uprising in Gwangju, June Democratic Struggle (1987): A Resource Guide, Seoul 1988 Olympic Games, Kim Dae-Jung, Korea (history)