March 31

On this day, March 31st, 1889, the Eiffel Tower was officially inaugurated in Paris.

Built for the 1889 World's Fair, the tower became one of the most recognizable landmarks in the world.

Also on this day, in 1966, the Soviet Union launched Luna X, the first spacecraft to successfully orbit the moon.

Also on this day, in 1995, Mexican-American singer Selena was murdered in Texas, shocking fans, and becoming one of the most widely remembered tragedies in Latin music history.

On this day, in 1995, Mexican-American singer Selena was murdered in Texas, and became one of the most widely remembered tragedies in the world.