The world in the 400s BCE

States 6

• Cremona · state · 400 BCE
• Yuezhi · state · 404 BCE – 42 CE
• Twenty-eighth Dynasty of Egypt · state · 404 – 399 BCE
• Zhao · state · 403 – 222 BCE
• Han (Warring States) · state · 403 – 230 BCE
• Wei (state) · state · 403 – 225 BCE

Wars and battles 11

• Battle of Aegospotami · battle · 405 BCE
• Battle of Cunaxa · battle · 401 BCE
• Ten Thousand · battle · 401 – 399 BCE
• Battle of Arginusae · battle · 406 BCE
• Battle of Himera · battle · 409 BCE
• Battle of Notium · battle · 406 BCE
• Battle of Selinus · battle · 409 BCE
• Battle of Veii · battle · 406 – 396 BCE

and 3 more in the atlas.

Unrest and atrocity 1

• Sack of Camarina · atrocity · 405 BCE

States 3

• Scythia · state · 800 – 400 BCE
• Twenty-seventh Dynasty of Egypt · state · 525 – 404 BCE
• Zou · state · 700 – 401 BCE

Wars and battles 1

• Phyle Campaign · war · 404 – 403 BCE

Born 7

• Diogenes of Sinope · philosopher · 403 – 323 BCE
• Ephorus · writer · 400 – 330 BCE
• Parmenion · military leader · 400 – 329 BCE
• Phocion · military leader · 402 – 318 BCE
• Mahapadma Nanda · ruler · 400 – 329 BCE
• Philotas · military personnel · 401 – 361 BCE
• Lucius Furius Camillus · politician · 409 – 351 BCE

Died 7

• Sophocles · philosopher · 496 – 406 BCE
• Euripides · philosopher · 485 – 405 BCE
• Alcibiades · military leader · 450 – 404 BCE
• Darius II · monarch · 475 – 404 BCE
• Hellanicus of Lesbos · writer · 490 – 405 BCE
• Hannibal Mago · military leader · 471 – 406 BCE
• Quintus Servilius Fidenas · politician · 450 – 401 BCE

Europe17 states

• Ancient Greece · 1201 BCE – 600 CE
• Ancient Rome · 753 BCE – 476 CE · Gnaeus Cornelius Cossus, Roman consul since 409 BCE
• Roman Republic · 509 – 27 BCE · Gnaeus Cornelius Cossus, Roman consul since 409 BCE
• Cremona · 400 BCE
• Macedonia · 808 – 167 BCE
• Etruscan civilization · 750 – 265 BCE
• Scythians · 700 – 201 BCE
• Colchis · 1701 – 164 BCE

and 9 more; every state of Europe.

Middle East and North Africa26 states

• Ancient Egypt · 4001 – 30 BCE
• Babylon · 1894 BCE – 1 CE
• Troy · 3000 BCE – 500 CE
• Achaemenid Empire · 550 – 330 BCE · Darius II, King of Kings since 423 BCE
• Phoenicia · 2500 – 64 BCE
• Persian Empire · 550 BCE – 1979 CE · Darius II, King of Kings since 423 BCE
• Kingdom of Aksum · 401 BCE – 960 CE
• Kingdom of Kush · 2180 BCE – 350 CE

and 18 more; every state of Middle East and North Africa.

South Asia17 states

• Magadha · 1201 – 345 BCE · Shishunaga, king since 413 BCE
• Gandhara · 751 BCE – 535 CE
• Mahajanapadas · 600 – 345 BCE
• Yuezhi · 404 BCE – 42 CE
• Panchala · 901 – 401 BCE
• Avanti · 701 – 301 BCE
• Vajjika League · 701 – 401 BCE
• Shaishunaga dynasty · 413 – 345 BCE · Shishunaga, king since 413 BCE

and 9 more; every state of South Asia.

East and Southeast Asia24 states

• Zhou dynasty · 1101 – 256 BCE · King Weilie of Zhou, Chinese king since 425 BCE
• Warring States period · 476 – 221 BCE · King Weilie of Zhou, Chinese king since 425 BCE
• Old Chosŏn · 2333 – 108 BCE
• Chu (state) · 722 – 223 BCE
• Qin · 905 – 221 BCE
• Yan (state) · 750 – 223 BCE
• Qi (state) · 1045 – 221 BCE
• Lu · 1101 – 249 BCE

and 16 more; every state of East and Southeast Asia.

Americas and Oceania3 states

• Maya civilization · 2001 BCE – 1521 CE
• Olmecs · 650 – 351 BCE
• Zapotec civilization · 6701 BCE – 1201 CE

Location unknown10 states

• Argead dynasty · 700 – 309 BCE
• Chedi kingdom · 601 – 301 BCE
• Qedarites · 801 – 201 BCE
• Sarmatia · 401 BCE
• Oddiyana · 401 BCE – 1100 CE
• Dao · 1001 – 222 BCE
• Kingdom of Rajarata · 601 BCE – 1300 CE
• Eastern Zhou (state) · 770 – 249 BCE

and 2 more; every state of Location unknown.