On May 6th, 1889, the Eiffel Tower was officialy opened to the public.

On May 5th, 1260, Khubilai Khan became ruler of the Mongol Empire/

On May 4th, 1919, the May Fourth Movement took place in Tiananmen Square.

On May 3rd, 1956, the first judo world championships were held.

On May 2nd, 1885, "Good Houekeeping" went on sale for the first time.

On May 1st, 1851, the Great Exhibition opened in London.

On April 30th, 1492, Christopher Columbus was granted a commission for exploration by Spain.

On April 29th, 1770, James Cook arrived at and named Botany Bay, Australia.

On April 28th, 1789, the mutiny on the HMS Bounty took place.

On April 27th, 1897, Grant's Tomb was dedicated.

On April 26th, 1856, John Wilkes Booth was shot in a barn in Virginia by Boston Corbett.

On April 25th, 1719, Daniel Defoe's novel "Robinson Crusoe" was published.

On April 24th, 1898, Spain declared war on the United States, beginning the Spanish-American War.

April 23rd, 1616 marks the death of both William Shakespeare and Miguel de Cervantes.

On April 22nd, 1914, Babe Ruth pitched his first professional game.

April 21st, 753 B.C. is the traditional date observed for the founding of Rome.

On April 20th, 1972, Apollo 17 landed on the moon.

On April 19th, 1775, the "shot heard 'round the world" was fired, beginning the Revolutionary War.

On April 18th, 1775, the famous midnight ride of Paul Revere took place.

On April 17th, 1521, Martin Luther spoke before the Diet of Worms, refusing to recant his teachings.