On May 20, 2007, Fox’s long-running animated series The Simpsons airs its 400th episode.

Long before his stature in the world of show business earned him the nickname “Chairman of the Board,” Frank Sinatra was known simply as “The Voice.

On May 20, 1989, Sunday Silence edges by Easy Goer to win the closest race in the 114-year history of the Preakness Stakes by a nose.

In 1985, the United States initiated a significant effort to communicate with the Cuban populace by launching Radio Marti, a Spanish-language radio station intended to deliver uncensored news and educational programming to the island.

On May 11, 1969, Hamburger Hill becomes the scene of an intense and controversial battle during the Vietnam War.

This was a day to remember for Eliza Doolittle, the 'My Fair Lady' of the stage and film musical that won and broke hearts.

On November 1, 1952, the United States marked a pivotal moment in nuclear history when it detonated the first airborne hydrogen bomb over Bikini Atoll in the Pacific Ocean.

On May 20, 1948, a momentous event unfolded in Taipei as Chiang Kai-shek, the nationalist leader and head of the Kuomintang (KMT), was inaugurated as the first president of the Republic of China (ROC) in Taiwan.

English poet W.H. Auden becomes an American citizen on May 20, 1946.

On May 20, 1940, the German army in northern France reaches the English Channel.