Today in history

1937: Hormel Foods Corp. of Austin, Minn., introduces its luncheon meat product Spam to the world.

1971: U.S. president Richard Nixon signs the 26th Amendment to the Constitution into law, lowering the voting age from 21 to 18.

1975: Arthur Ashe beats Jimmy Connors in an all-american Wimbledon final to become the first Black man to win the singles title.

1996: Dolly the Finnish Dorset sheep is born, the first mammal to be cloned from adult cells.