PastlasHistorical atlas

Century · 301 – 400

The world in the 4th century

From 301 to 400 the atlas holds 148 states standing at some time, 45 of them founded in it - San Marino and Gupta Empire the best known - and 26 ending in it. 46 wars, risings, treaties, discoveries and other events began - Battle of Adrianople, Battle of the Milvian Bridge and Battle of the Frigidus the best known of the events; 198 people were born.

A century here is counted as Wikidata counts it, 301 to 400, and holds every row that began in it, however coarsely dated.

What began in the 4th century

By decade first - wars and battles in red, risings, regime changes and massacres beside them, everything else in grey - then by kind, the best known first.

301: 3 began — 1 wars and battles, 2 risings, regime changes and massacres, 0 other301311: 7 began — 6 wars and battles, 1 risings, regime changes and massacres, 0 other311321: 3 began — 3 wars and battles, 0 risings, regime changes and massacres, 0 other321331: 0 began — 0 wars and battles, 0 risings, regime changes and massacres, 0 other331341: 2 began — 2 wars and battles, 0 risings, regime changes and massacres, 0 other341351: 7 began — 7 wars and battles, 0 risings, regime changes and massacres, 0 other351361: 8 began — 6 wars and battles, 0 risings, regime changes and massacres, 2 other361371: 9 began — 9 wars and battles, 0 risings, regime changes and massacres, 0 other371381: 4 began — 2 wars and battles, 1 risings, regime changes and massacres, 1 other381391: 3 began — 2 wars and battles, 1 risings, regime changes and massacres, 0 other391

Wars and battles 38

and 30 more in the atlas.

Unrest and atrocity 5

Natural disasters 2

Treaties 1

States founded and fallen

Founded 45

and 31 more in the atlas.

Ended 26

and 12 more in the atlas.

Born in the 4th century

The best known first, by how many Wikipedias write about them.

and 174 more in the atlas.

States of the 4th century

Every state that stood at some time in the 4th century, by region, the best known first.

Europe: 28 statesEurope28Middle East and North Africa: 25 statesMiddle East and North Africa25South Asia: 29 statesSouth Asia29East and Southeast Asia: 39 statesEast and Southeast Asia39Americas and Oceania: 5 statesAmericas and Oceania5Location unknown: 22 statesLocation unknown22

Europe28 states

and 16 more; every state of Europe.

Middle East and North Africa25 states

and 13 more; every state of Middle East and North Africa.

South Asia29 states

and 17 more; every state of South Asia.

East and Southeast Asia39 states

and 27 more; every state of East and Southeast Asia.

Americas and Oceania5 states

Location unknown22 states

and 10 more; every state of Location unknown.

Its decades and years

The decades and years with a page of their own.

Open in the atlas

  • On the timeline, 300 – 400: every state, war and life of the 4th century, region by region.
  • On the map in 350: the borders of the year, its cities under their names of the year, and what happened where.

Wikidata (CC0) · data built 2026-10-07 · Pastlas v2.13.1, by Oleh Voronko. The published atlas and its data are for non-commercial use.