Eu·se·bi·us of Cae·sa·re·a 
(y-sēbē-əs; sē′zə-rēə, sĕs′ə-, sĕz′ə-) AD 260?-340?
(y-sēbē-əs; sē′zə-rēə, sĕs′ə-, sĕz′ə-) AD 260?-340? Palestinian theologian whose Ecclesiastical History, written in Greek, is a record of the chief events in the Christian Church until the year 324.