ante diem viii idus apriles

ludi Megalesia (day 3)

648 B.C. -- solar eclipse possibly referred to in a fragment of a poem by Archilochus (Zeus, the father of the Olympic Gods, turned mid-day into night, hiding the light of the dazzling Sun; and sore fear came upon men.)

46 B.C. -- Julius Caesar defeats supporters of Pompey at Thapsus