On this day in 1955, after being destroyed in World War II, the rebuilt Vienna State Opera reopened with a performance of Beethoven's Fidelio.
On this day in 2006, former president of Iraq Saddam Hussein and his co-defendants were sentenced to death for their role in the massacre of the 148 Shi'a Muslims in 1982.
On this day in 2007, China's first lunar satellite, Chang'e 1, went into orbit around the Moon.
On this day in 2007, Android mobile operating system was unveiled by Google.
And on this day in 2013, India launched the Mars Orbiter Mission, its first interplanetary probe.