When was John IV Laskaris born?

John IV Laskaris was born on 1250-12-25.

When did John IV Laskaris die?

John IV Laskaris died on 1305-01-01.

Browse the complete timeline of John IV Laskaris throughout history

Born — Life — 1250-12-25
John IV Laskaris was born on 1250-12-25.
Began serving as Byzantine emperor — Career — 1259-01-01
ruler of the Byzantine Empire
Stopped serving as Byzantine emperor — Career — 1261-12-25
ruler of the Byzantine Empire
Died — Life — 1305-01-01
John IV Laskaris died on 1305-01-01.