From Wikipedia, the free encyclopedia.
Centuries: 11th century - 12th century - 13th century
- November 20 - Palermo falls to Henry VI, Emperor of the Holy Roman Empire
- December 25 - Henry VI is crowned king of Sicily.
- City of Portsmouth awarded its Royal Charter
- Yellow River of China experienced a major course change. It took over the Huai River drainage system for the next 700 years.