On this day — May 15

non-stop and unassisted around the world solo.

state after Massachusetts in 2004 to legalize same-sex marriage after the state's own Supreme Court rules a previous ban unconstitutional.

joining Preston North End F.C. with the right to claim the title "The Invincibles".

Ohio, with 47 freight cars, including some tank cars with flammable chemical, after its engineer fails to reboard it after setting a yard switch. It travels south driverless for 66 miles (106 km) until it was brought to a halt near Kenton. The incident became the inspiration for the 2010 film Unstoppable.

After more than eight years of fighting, the Soviet Army begins to withdraw 115,000 troops from Afghanistan.

Chernihiv Raion, Chernihiv Oblast, killing 52.

Members of the Democratic Front for the Liberation of Palestine attack and take hostages at an Israeli school; a total of 31 people are killed, including 22 schoolchildren.

military governance since its conquest in 1945, reverts to Japanese control.

Hoisington the first female United States Army generals.