20th century

Millennium:	2nd millennium
Centuries:	19th century; 20th century; 21st century;
Timelines:	19th century; 20th century; 21st century;
State leaders:	19th century; 20th century; 21st century;
Decades:	1900s; 1910s; 1920s; 1930s; 1940s; 1950s; 1960s; 1970s; 1980s; 1990s;
Categories:	Births – Deaths ; Establishments – Disestablishments

The 20th century began on January 1, 1901 and ended on December 31, 2000.

The 20th century saw two world wars and a Cold War, the rise and fall of the Soviet Union, the coming of the telephone, sound recording, movies and television, airplanes, atomic weapons, genetics and DNA, computers and electronics in general. Science and industrialization spread; medicine became more scientific. World population growth was greater during this century than any previous one.