1991 (MCMXCI) was a common year starting on Tuesday of the Gregorian calendar, the 1991st year of the Common Era (CE) and Anno Domini (AD) designations, the 991st year of the 2nd millennium, the 91st year of the 20th century, and the 2nd year of the 1990s decade.

Millennium: 2nd millennium
Centuries: 19th century20th century21st century
Decades: 1960s  1970s  1980s  – 1990s –  2000s  2010s  2020s
Years: 1988 1989 199019911992 1993 1994

Events change

 
Boris Yeltsin (holding flag) in 1991

Births change

January–March change

 
Emma Roberts in 2015

April–June change

 
Lena Meyer-Landrut

July–September change

October–December change

 
Declan Galbraith in 2007

Deaths change

January change

 
Carl David Anderson
 
Olav V of Norway
 
John Bardeen

February change

 
Salvador Luria

March change

 
Edwin H. Land
 
Serge Gainsbourg

April change

 
David Lean
 
Yumjaagiin Tsedenbal

May change

 
Jiang Qing
 
Rajiv Gandhi

June change

 
Jean Arthur

July change

 
Michael Landon
 
Lee Remick
 
Isaac Bashevis Singer

August change

 
James Irwin

September change

 
Alfonso García Robles
 
Frank Capra
 
Dr. Seuss
 
Miles Davis

October change

 
Gene Roddenberry

November change

 
Gene Tierney
 
Gustáv Husák
 
Klaus Kinski
 
Freddie Mercury

December change

Nobel Prizes change

Movies released change

Hit songs change

 
Metallica in 2003
 
Amy Grant in 1998

New books change

 
Bret Easton Ellis in 2010