- Asia
Rise of the Yamato state
Clan leaders on the Yamato plain consolidate power, build monumental kofun tombs, and establish the imperial lineage claiming descent from the sun goddess Amaterasu.
Era: Yamato and Asuka: The Birth of the State
Sources: Jimmu · Encyclopaedia Britannica, Japan · Encyclopaedia Britannica
- Europe
Foundation by Saint Marinus
By tradition the stonemason Marinus, fleeing Diocletian's persecution of Christians, founded a free community on Mount Titano on 3 September 301, the act from which San Marino dates its existence.
Era: Saint Marinus and the Mountain Commune
Sources: Origins of San Marino - the world's oldest Republic · SanMarinoSite, History of San Marino · Visit San Marino (official tourism site), The World's Oldest Continuous Republic · WorldAtlas, History of San Marino · Encyclopaedia Britannica
- Europe
Foundation of Constantinople
Constantine refounded Byzantium as Constantinople, the new capital that shifted the Roman Empire's centre eastward and became the heart of the Greek-speaking Byzantine world.
Era: Roman and Byzantine Greece
Sources: Byzantine Empire · Encyclopaedia Britannica, Greece (country overview and history) · Encyclopaedia Britannica
- Asia
Constantine refounds Constantinople
Constantine the Great dedicated the rebuilt city of Byzantium as Constantinople, a new Christian capital on the Bosporus that would anchor the Roman and then Byzantine state for over a millennium.
Era: Greek, Roman and Byzantine Anatolia
Sources: Constantine I, Roman emperor · Encyclopædia Britannica, Byzantine Empire · Encyclopædia Britannica
Formation in the 4th century
Every event in the Terralore archive tagged formation — origins, unifications and the founding of states as each nation's archive records them, narrowed to the 4th century — 4 of them, drawn from 4 nations, running from 300 to 330. Each entry keeps the sources it was verified against and links back to the chronicle it came from.
- Events
- 4
- Nations
- 4
- Earliest
- 300
- Latest
- 330
- Asia
- 2
- Europe
- 2
Every entry below is the same record, with the same sources, as the one on its nation’s chronicle.