Battle of Dan-no-ura
A sea battle ends the Taira–Minamoto war

In the strait between Honshu and Kyushu the Minamoto fleet destroyed the Taira; the child emperor Antoku drowned with his grandmother. The victory ended the Genpei War and brought to power Minamoto no Yoritomo, the first shogun.
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Meanwhile around the world (±25 years)
Europe
- 1163–1345 Notre-Dame de Paris begun — 22 years earlier
- 1188 Magdeburg rights — 3 years later
- 1202 Fibonacci's Liber Abaci — 17 years later
- 1204 Sack of Constantinople — 19 years later
Eastern Europe & Russia
- 1185 Prince Igor's campaign — same year
Middle East
- 1191 Third Crusade: capture of Acre — 6 years later
Alive at the time
- Saladin (aged 48)
- Genghis Khan (aged 23)
- Averroes (Ibn Rushd) (aged 59)
- Zhu Xi (aged 55)
- Henry II (aged 52)
- Minamoto no Yoritomo (aged 38)
- Vsevolod the Big Nest (aged 31)
- Richard the Lionheart (aged 28)
- Philip II Augustus (aged 20)
- John Lackland (aged 19)