Category:1991 in science

**1991 in science**
	natural science-related events during the year of 1991
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	Wikipedia
Instance of	events in a specific year or time period (1992 in science, 1990 in science);
Facet of	1991; science;
Point in time	1991;
Follows	1990 in science (1990);
Followed by	1992 in science (1992);
Authority file
	Q1091614;
	Reasonator; Scholia; Wikidocumentaries; PetScan; statistics; WikiMap; Locator tool; KML file; Search depicted;

Deutsch: 1991 in der Wissenschaft

English: 1991 in science

Español: Ciencia en 1991

Македонски: Науката во 1991 година

Русский: 1991 год в науке

Slovenščina: 1991 v znanosti

Svenska: Vetenskapsåret 1991

Українська: 1991 у науці

Subcategories

This category has the following 9 subcategories, out of 9 total.

The following 5 files are in this category, out of 5 total.