Last decade of a century

• and the decade Beck blew up
• 19th century's "naughty" decade
• They end a century
• The time of life between 90 and 100
• Recent decade
• Gay time
• They were gay
• The decade from 1990 to 1999

Wiktionary Word definitions in Wiktionary
alt. 1 (plural of ninety English) 2 The decade of the 1890s, 1990s, etc. n. 1 (plural of ninety English) 2 The decade of the 1890s, 1990s, etc.