On this day in 1979, Margaret Thatcher became the first woman elected prime minister of England.

In 1927, Francis E.J. Wilde of Meadowmere Park, NY, patented the electric sign flasher.

In 1933, The U.S. Mint was under the direction of a woman for the first time when Nellie Ross took the position.

In 1937, Margaret Mitchell won a Pulitzer Prize for "Gone With The Wind." Margaret Mitchell won the Pulitzer Prize in fiction for Gone With the Wind.

In 1952, The first airplane landed at the geographic North Pole.

In 1968, The first heart transplant in Britain was successfully carried out by a team of 18 doctors and nurses at the National Heart Hospital in Marylebone, London.

In 1986, At the age of 54, legendary horse jockey Bill Shoemaker became the oldest person to win the Kentucky Derby, riding Ferdinand to victory.

In 2003, New Hampshire’s symbol, the granite Old Man of the Mountain, collapsed in the state’s Franconia Mountains.