ante diem v idus sextiles

rites in honour of Sol Indiges on the Quirinal Hill

480 B.C. -- Spartan forces under Leonidas fight a suicidal delaying action against Persian forces at Thermopylae (by one reckoning)

48 B.C. -- The forces of Julius Caesar defeat Pompeius Magnus at Pharsalus

117 A.D. -- official announcement that Trajan had adopted Hadrian as his successor

1804 -- death of Robert Potter (translator of Aeschylus and critic of Dr. Johnson)