Lascaux cave paintings discovered

Attack on America

The guillotine is used for the last time

Congress renames the nation “United States of America”

Queen Elizabeth II, the longest-reigning monarch in British history, dies

The United States gets its nickname, Uncle Sam

US President William McKinley is shot

First session of the Continental Congress convenes

Geronimo surrenders to U.S. government troops

Skeleton of Tyrannosaurus rex discovered

American actress Hedy Lamarr and composer George Antheil received a patent for an electronic device that minimized the jamming of radio signals; it later became a component of satellite and cellular phone technology.

First-ever electric guitar patent awarded to the Electro String Corporation

Atomic bomb dropped on Nagasaki

Nixon resigns

George Washington creates the Purple Heart

Vicki Draves and Sammy Lee become the first Asian Americans to win an Olympic gold medal for the U.S.

First transatlantic telegraph cable completed

Anne Frank captured

Nautilus submarine travels under North Pole