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

