12th Century
- 1123 Ascalon?
- 1137 - Venetians defeat Normans at Trani, Italy
- 1149 Cape Malea - Venetians and Byzantine Greeks defeat Normans
- 1153 Siege of Ascalon - Venetians defeat Fatimid Arabs near Tel Aviv
- 1156 January - Celtic ships defeat Viking squadron north of Scotland
- 1161 Tangdao - Song forces defeat Jin forces
- Caishi - Song forces defeat Jin forces
- 1177 - Venetians and the Vatican defeat Genoese and Pisans
- 1183 November 17 Mizushima - Battle off coast of Shikoku
- 1184 June 15 Fimreite - King Sverre Sigurdsson of Norway defeats and kills rival King Magnus Erlingsson in the Sognefjord
- 1185 March 22 Yashima - Battle off coast of Shikoku
- April 25 Dan-no-ura - Decisive victory for Minamoto clan off present-day Shimonoseki, Yamaguchi, Japan, ends Genpei War
- 7 November - Byzantines under Alexios Branas defeat Normans at Demetrias (Volos), Greece
Read more about this topic: List Of Naval Battles