20th century events
4,527 events from 20th century, sorted by fame.
World War IISeptember 1, 1939 – September 2, 1945 · World History
Soviet UnionDecember 30, 1922 – December 26, 1991 · World History
World War IJuly 28, 1914 – November 11, 1918 · World History
Discovery of PlutoFebruary 18, 1930 · Science
Founding of GoogleSeptember 4, 1998 · Companies
Cold War1945 – December 25, 1991 · World History
Founding of Apple Inc.April 1, 1976 · Companies
YugoslaviaDecember 1, 1918 – April 27, 1992 · World History
Founding of MicrosoftApril 4, 1975 · Companies
Nazi GermanyMarch 15, 1933 – May 23, 1945 · World History
CzechoslovakiaOctober 28, 1918 – December 31, 1992 · World History- Release of JavaMay 23, 1995 · Technology
Discovery of francium1939 · Science
Discovery of plutonium1941 · Science
Discovery of astatine1940 · Science
Discovery of hafnium1922 · Science
Discovery of technetium1937 · Science
Korean WarJune 25, 1950 – July 27, 1953 · Wars & Conflicts
Discovery of neptunium1940 · Science
Discovery of rhenium1925 · Science
Founding of The Walt Disney CompanyOctober 16, 1923 · Companies
Discovery of europium1901 · Science- Discovery of hassium1984 · Science
Discovery of rutherfordium1964 · Science
Discovery of lutetium1906 · Science- Discovery of seaborgiumJuly 1974 · Science
Founding of McDonald'sMay 15, 1940 · Companies
Release of TitanicNovember 1, 1997 · Film
Discovery of californium1950 · Science
Discovery of dubniumFebruary 18, 1970 · Science
Discovery of einsteinium1952 · Science
Discovery of protactinium1917 · Science
Discovery of americium1944 · Science- Discovery of bohrium1976 · Science
- Discovery of meitneriumAugust 29, 1982 · Science
Discovery of promethium1945 · Science
Discovery of fermiumDecember 1952 · Science
Discovery of nobelium1958 · Science
Great DepressionOctober 29, 1929 – circa 1941 · World History
Discovery of berkelium1949 · Science
Discovery of curium1944 · Science- Discovery of darmstadtiumNovember 9, 1994 · Science
Founding of IMDbOctober 17, 1990 · Companies
Netherlands AntillesDecember 15, 1954 – October 10, 2010 · World History
Discovery of lawrenciumFebruary 14, 1961 · Science
Discovery of mendelevium1955 · Science- Discovery of roentgeniumDecember 8, 1994 · Science
Republic of ArtsakhSeptember 2, 1991 – 2023 · World History- Discovery of copernicium1996 · Science
- Discovery of fleroviumJanuary 1999 · Science