Genpei War: Timeline

1180   Prince Mochihito amasses a large army and instigates the Genpei War between Taira and Minamoto clans

1183   Three-year old Emperor Go-Toba Emperor Go-Toba

was the 82nd imperial ruler [i] of Japan [i], according to the traditional order of successio ... 

 ascends to the throne of Japan Japan

is an island country [i] in East Asia [i]. ... 

 after the forced abdication of his brother Emperor Antoku Emperor Antoku

Emperor Antoku was the 81st imperial ruler [i] of Japan [i], according to the tradition ... 

 during the Genpei War.

1185   Genpei War - Naval battle of Dan-no-ura leads to Minamoto victory in Japan Japan

is an island country [i] in East Asia [i]. ... 

.