Allen W Collins (born 1919)

In 1919, in the year that Allen W Collins was born, in Norfolk Virginia, the first rotary dial telephones were introduced by the American Telephone and Telegraph Company (AT&T), making it easier to make a call without an operator.

In 1922, the Lincoln Memorial was dedicated in Washington, D.C. on May 30th. More than 35,000 people attended the dedication including Lincoln's son, Robert Todd Lincoln, and many Union and Confederate veterans - although the audience was segregated. The Memorial took 10 years to complete.

In 1931, on May 1st, the Empire State Building opened in New York City. At 1,454 feet (including the roof and antenna), it was the tallest building in the world until the World Trade Center's North Tower was built in 1970. (It is now the 34th tallest.) Opening at the beginning of the Great Depression, most of the offices in the Empire State Building remained unoccupied for years and the observation deck was an equal source of revenue and kept the building profitable.

In 1969, on July 20th, the first men walked on the moon. Apollo 11 astronauts Neil A. Armstrong and Edwin E. Aldrin Jr. both walked on the moon but it was Armstrong who first stepped on the moon. They fulfilled the promise of President Kennedy's commitment in 1961 to put a man on the moon before the end of the decade.

In 1982, on September 14th, Princess Grace of Monaco (American actress Grace Kelly), 52, died of injuries when her car plunged off a mountain road. Her 17 year old daughter, Stephanie, was also in the car and suffered serious injuries but recovered. It's believed that the accident was caused when Princess Grace, who was driving, had a mild stroke.