1175
Year 1175 (MCLXXV) was a common year starting on Wednesday of the Julian calendar.
| Millennium: | 2nd millennium |
|---|---|
| Centuries: | 11th century – 12th century – 13th century |
| Decades: | 1140s 1150s 1160s – 1170s – 1180s 1190s 1200s |
| Years: | 1172 1173 1174 – 1175 – 1176 1177 1178 |
Events
- Ruaidri Ua Conchobair, last High King of Ireland, submits to Henry II as vassal of Ireland with the Treaty of Windsor
- Ly Cao Ton becomes ruler of Vietnam
- William of Tyre becomes archbishop of Tyre
- Massacre of Abergavenny ends with several noblemen dead under William de Braose
- Vordingborg Castle is finished.
Births
- Andrew II of Hungary, King of Hungary (died 1235)
- Frederick I of Austria (died 1198)
- Robert Grosseteste, English statesman, theologian and bishop (approximate date; died 1253)
- Fibonacci, Italian mathematician (approximate date; died 1250)
- Otto IV, Holy Roman Emperor (died 1218)
- Roger III of Sicily (died 1194)
- Michael Scot, Scottish mathematician and astrologer (died 1232)
Deaths
- Mleh of Armenia, ruler of the Armenian Kingdom of Cilicia
- Judyta, wife of Ladislaus II of Hungary and Otto I von Brandenburg (born 1132)