Decade · 300 – 309
The world in the 300s
From 300 to 309 the atlas holds 113 states standing at some time. 9 things began - San Marino, Han-Zhao and Cheng-Han among them - and 4 ended; 5 people were born and 7 died, 1 of all these dated only to the decade.
What began in the 300s
By kind, the best known first.
States 6
- San Marino · state · 301 – present
- Han-Zhao · state · 304 – 329
- Cheng-Han · state · 304 – 347
- Taron · state · 300 – 968
- Tiwanaku polity · state · 300 – 1150
- Afrighids · state · 305 – 995
Wars and battles 1
- Civil wars of the Tetrarchy · war · 308 – 324
Unrest and atrocity 2
- Diocletianic Persecution · atrocity · 303 – 313
- Upheaval of the Five Barbarians · unrest · 304 – 316
What ended in the 300s
States 3
- Hadhramaut · state · 700 BCE – 305 CE
- Early Cholas · state · 291 BCE – 305 CE
- Early Pandyan kingdom · state · 291 BCE – 305 CE
Wars and battles 1
- War of the Eight Princes · war · 291 – 306
Born and died
Born 5
- Pope Damasus I · poet · 305 – 384
- Magnentius · politician · 303 – 353
- Crispus · military leader · 303 – 326
- Nonius Marcellus · writer · 300 – 350
- Li Shou · ruler · 300 – 343
Died 7
- Saint George · commander · 275 – 303
- Constantius Chlorus · politician · 250 – 306
- Porphyry of Tyre · philosopher · 233 – 301
- Saint Barbara · person · 273 – 306
- Cao Huan · monarch · 246 – 302
- Emperor Hui of Jin · ruler · 259 – 307
- Sima Lun · politician · 240 – 301
States of the 300s
The states that stood at some time in the 300s, by region, the best known first, with who held the highest office in 300.
Europe22 states
- San Marino · 301 – present
- Roman Empire · 27 BCE – 395 CE · Diocletian, Roman emperor since 284 and Maximian, Roman emperor since 286
- Ancient Greece · 1201 BCE – 600 CE
- Ancient Rome · 753 BCE – 476 CE · Diocletian, Roman emperor since 284 and Maximian, Roman emperor since 286
- Huns · 106 – 673
- Goths · 100 – 1475
- Western Roman Empire · 285 – 476
- Saxons · 283 – 799
and 14 more; every state of Europe.
Middle East and North Africa23 states
- Byzantine Empire · 285 – 1453
- Troy · 3000 BCE – 500 CE
- Rhodes · 188 BCE – 1249 CE
- Sasanian Empire · 224 – 651 · Narseh, emperor of the Sasanian Empire since 293
- Persian Empire · 550 BCE – 1979 CE · Narseh, emperor of the Sasanian Empire since 293
- Kingdom of Aksum · 401 BCE – 960 CE · Endubis, Ethiopia, AKSUM since 270 and Aphilas, Ethiopia, AKSUM since 300
- Ghana Empire · 100 – 1200
- Kingdom of Iberia · 299 BCE – 580 CE
and 15 more; every state of Middle East and North Africa.
South Asia23 states
- Kushan Empire · 30 – 375 · Vasudeva II, king since 275 and Shaka Kushan, emperor since 300
- Chola dynasty · 300 BCE – 1279 CE
- Gandhara · 751 BCE – 535 CE
- Indo-Scythian Kingdom · 200 BCE – 400 CE
- Pallava dynasty · 275 – 897 · Simhavarman I, Pallava emperor since 275
- Pandya dynasty · 300 BCE – 1650 CE
- Kingdom of Khotan · 56 – 1006
- Wusun · 170 BCE – 450 CE
and 15 more; every state of South Asia.
East and Southeast Asia26 states
- Xiongnu · 301 BCE – 500 CE
- Jin dynasty (266–420) · 266 – 420 · Emperor Hui of Jin, Emperor of China since 290
- Silla · 57 BCE – 892 CE
- Goguryeo · 37 BCE – 668 CE · Bongsang of Goguryeo, wang since 292 and Micheon of Goguryeo, wang since 300
- Champa · 192 – 1832 · Fan Tat, king since 284
- Paekche · 18 BCE – 660 CE · Bunseo of Baekje, king since 298
- Xianbei · 208 BCE – 670 CE
- Pyu city-states · 201 BCE – 1050 CE
and 18 more; every state of East and Southeast Asia.
Americas and Oceania5 states
- Maya civilization · 2001 BCE – 1521 CE
- Teotihuacan · 50 BCE – 704 CE
- Zapotec civilization · 6701 BCE – 1201 CE
- Tiwanaku polity · 300 – 1150
- United Provinces of New Granada · 181 – 1816
Location unknown14 states
- Eastern Ye · 301 BCE – 500 CE
- Langkasuka · 100 – 1500
- Geumgwan Gaya · 43 – 532
- Oddiyana · 401 BCE – 1100 CE
- Daegaya · 42 – 562
- Shanshan · 92 BCE – 445 CE
- Kingdom of Munster · 101 BCE – 1138 CE
- Arsacid dynasty of Caucasian Albania · 2 BCE – 428 CE
and 6 more; every state of Location unknown.
Open in the atlas
- On the timeline, 280 – 329: every state, war and life of the 300s, region by region.
- On the map in 305: 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.