User:AJona1992/On this day (March 31)

March 31: Earth Hour (20:30 local time in various areas, 2012); King Nangklao Memorial Day in Thailand; César Chávez Day in various U.S. states

1822 – Greek War of Independence: Ottoman troops began the massacre of over 20,000 Greeks on the island of Chios.

1889 – The Eiffel Tower was inaugurated in Paris, becoming a global icon of France and one of the most recognizable structures in the world.

1930 – To avoid government censorship, Hollywood movie studios instituted their own set of industry censorship guidelines, popularly known as the Hays Code.

1964 – Brazilian Armed Forces led an overthrow of Brazilian President João Goulart (pictured) and established a military government that would last for 21 years.

1995 – American singer Selena was killed by Yolanda Saldivar, the president of her fan club.