🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoPolskiPortuguêsSvenskaTiếng ViệtTürkçeРусскийالعربية中文日本語EntityQ1091614· pop 12· linked from 90 articles1991 in scienceoverview of natural science-related events during the year of 1991Available in 12 languagesFrançaisРусскийPortuguêsHebrewHungarianMacedonianNorwegianNorwegian NynorskPolskiSvenskazh_min_nanConnectionslist of years in scienceEntityFinlandCountryCategories1990s in science1991 in science20th century in science