2002 – The Mars Odyssey finds signs of large ice deposits on the planet Mars.

1952 – The women of Greece are given the right to vote.

1937 – The Golden Gate Bridge in San Francisco, California, is officially opened by President Franklin D. Roosevelt in Washington, D.C., who pushes a button signaling the start of vehicle traffic over the span.

1892 – In San Francisco, California, John Muir organizes the Sierra Club.

1830 – The U.S. President Andrew Jackson signs the Indian Removal Act which relocates Native Americans.

1908 – At Masjed Soleyman (مسجد سليمان) in southwest Persia, the first major commercial oil strike in the Middle East is made. The rights to the resource are quickly acquired by the Anglo-Persian Oil Company.

1897 – Dracula, a novel by the Irish author Bram Stoker, is published.

1857 – Dred Scott is emancipated by the Blow family, his original owners.

1830 – The Indian Removal Act is passed by the U.S. Congress; it is signed into law by President Andrew Jackson two days later.

1647 – Alse Young, hanged in Hartford, Connecticut, becomes the first person executed as a witch in the British American colonies.

A couple days late but better than never I guess...
Clyde Barrow and Bonnie Parker's 21-month crime spree ended in a hail of bullets 80 years ago, on May 23, 1934.

 Red_Dragon wrote: 
¡Yo la tengo!

1973 – Skylab, the United States' first space station, is launched.

 Red_Dragon wrote: 
Well it's a scroll, but yeah. What would be interesting is to know whether they made more than one.

868 – A copy of the Diamond Sutra is printed in China, making it oldest known dated printed book.

On May 6, 1960, President Dwight Eisenhower signed the Civil Rights Act of 1960

1934 – The first Three Stooges short, Woman Haters, is released.

1970  4 died at Kent State University just about 10 clicks down the road from where I call here.

There have been songs that memorialize the event.  We all know Ohio, but here are two more.  One from Joe Walsh who was a local at the time of the shootings and the other from Steve Miller.

 
 

1786 – In Vienna, Austria, Mozart's the opera The Marriage of Figaro is performed for the first time.

1938 – The animated cartoon short Porky's Hare Hunt debuts in movie theaters, introducing Happy Rabbit (a prototype of Bugs Bunny).