Year 1939 (MCMXXXIX) was a common year starting on Sunday (link will display the full calendar) of the Gregorian calendar. This year also marks the start of the Second World War, the deadliest human conflict in history.

Below, events of World War II have the WWII prefix.

Grace Ethel Cecile Rosalie Allen (July 26, 1895 – August 27, 1964), known as Gracie Allen, was an American comedian who became internationally famous as the zany partner and comic foil of husband George Burns. For contributions to the television industry, Gracie Allen was honored with a star on the Hollywood Walk of Fame at 6672 Hollywood Boulevard.

Gracie Allen was born in San Francisco, California, to George Allen and Molly Darragh, who were of Irish Catholic extraction. She made her first appearance on stage at age three and was given her first chance On Air by Eddie Cantor. She was educated at the Star of the Sea Convent School and during that time became a talented dancer. She soon began performing Irish folk dances with her three sisters, who were billed as "The Four Colleens." In 1909 Allen joined her sister, Bessie, as a vaudeville performer. At a performance in 1922 Allen met George Burns and the two formed a comedy act. The two were married on January 7, 1926, in Cleveland, Ohio. Gracie allen was born with two different color eyes on blue and one green.

Lionel Barrymore (April 28, 1878 – November 15, 1954) was an American actor of stage, screen and radio. He won an Academy Award for Best Actor for his performance in A Free Soul (1931), and remains perhaps best known for the role of the villainous Henry Potter character in Frank Capra's 1946 film It's a Wonderful Life. He was also a member of the illustrious theatrical Barrymore family.

Lionel Barrymore was born Lionel Herbert Blythe in Philadelphia, the son of actors Georgiana Drew Barrymore and Maurice Barrymore. He was the elder brother of Ethel and John Barrymore, the uncle of John Drew Barrymore and Diana Barrymore, and the great-uncle of Drew Barrymore. Barrymore was raised a Roman Catholic. He attended the Episcopal Academy in Philadelphia, Pennsylvania.

In her autobiography, Eleanor Farjeon recalled that when she and Barrymore were friends as toddlers, she would take off her shoes and he would kiss her feet.

He was married twice, to actresses Doris Rankin and Irene Fenwick, a one-time lover of his brother John. Doris's sister Gladys was married to Lionel's uncle Sidney Drew, which made Gladys both his aunt and sister-in-law.

Shirley Jane Temple (born April 23, 1928), later Shirley Temple Black, is an American film and television actress, singer, dancer, autobiographer, and former U.S. Ambassador to Ghana and Czechoslovakia. She began her film career in 1932 at the age of three, and in 1934, found international fame in Bright Eyes, a feature film designed specifically for her talents. She received a special Juvenile Academy Award in February 1935, and film hits such as Curly Top and Heidi followed year after year during the mid-to-late 1930s. Licensed merchandise that capitalized on her wholesome image included dolls, dishes, and clothing. Her box office popularity waned as she reached adolescence, and she left the film industry at the age of 12 to attend high school^{[clarification needed]}. She appeared in a few films of varying quality in her mid-to-late teens, and retired completely from films in 1950 at the age of 22. She was the top box-office draw four years in a row (1935–38) in a Motion Picture Herald poll.