Events for October 15October 15, 1582Pope Gregory reforms the calendar introduced by Julius Caesar in 45BCE - 4 October is followed by 15 October. However, the reform will not be implemented in Britain and Ireland till 1752Read MoreOctober 15, 1943Poet William Souter died in Perth.Read MoreOctober 15, 1880Dr Marie Stopes, founder of first modern birth control clinic, born Edinburgh.Read MoreOctober 15, 1928Voting age for women reduced from, 30 to, 21, the same as for men.Read More