| Date | Event |
|---|---|
| July 25 1261 | Strategopoulos Recaptures Constantinople To Re-establish Byzantine Empire |
| August 15 1261 | New Byzantine Emperor Crowned In Constantinople |
| August 29 1261 | 182nd Pope Urban IV Succeeds Alexander IV |
| December 25 1261 | Byzantine Emperor John IV Laskaris Deposed, Blinded |