On this day in 1885, Itō Hirobumi, a samurai, became the first Prime Minister of Japan.
On this day in 1956, Colo, the first gorilla to be bred in captivity, was born at the Columbus Zoo and Aquarium in Ohio.
This day in 2010 saw the repeal of the “Don't ask, don't tell policy”, the 17-year-old policy banning homosexuals serving openly in the United States military. It was signed into law by President Barack Obama.