The 12th Century — 1100 to 1199
| Date | Event | Region | Theme |
|---|---|---|---|
| 1100s | |||
| 1100 | Cahokia at its zenith | North America | Culture |
| 1110s | |||
| 1110 | Suryavarman II begins construction of Angkor Wat | Southeast Asia | Culture |
| 1111 | Death of al-Ghazali | Middle East | Religion |
| 1 Jan 1115 | Aguda founds the Jin dynasty | East Asia | Politics |
| 1118 | Founding of the Knights Templar | Middle East | Religion |
| 1120s | |||
| 1121 | Song navigators adopt the magnetic compass | East Asia | Technology |
| 23 Sep 1122 | Concordat of Worms | Europe | Religion |
| 1126 | Ibn Rushd born at Cordoba | Africa | Science |
Covers 1100–1199. Shows the 38 events scored 8 or higher for significance out of the 4992-event Saeculum corpus. Everything below that line — and every event on this sheet — is free to read in full on its own year and event page.