This Day in Ancient History: ante diem vii kalendas maias (opens in new tab)

Robigalia — an ancient agricultural festival designed to appease the numen Robigo/Robigus who caused mildew 404 B.C. — Athens surrenders to Sparta, bringing the Peloponnesian War to an end (by one reckoning) 68 A.D. — martyrdom of Mark the Evangelist 1940 — death of Wilhelm Dorpfeld (excavator of Tiryns)