On Feb. 10, 1763, the Treaty of Paris ended the Seven Years' War between Britain and Spain and also the French and Indian War, with France ceding Quebec to Great Britain.
On Feb. 10, 1971, four photojournalists died after the South Vietnamese air force helicopter they were in was shot down over Laos during the Vietnam War.
Dan Southerland, who reported on the war in Laos, remembers four colleagues lost on Feb. 10, 1971 when their helicopter was shot down by North Vietnamese forces.