Historical clue formulations

• Island that's home to most of the world's wild orangutans — 2024-09-05
• Island governed by three different countries — 2020-04-24
• Island near Java — 2019-08-19
• Largest Asian island — 2018-11-27
• World's third-largest island — 2014-11-07
• Orangutan locale — 2013-08-29
• East Indies island famous for its 19-Acrosses — 2012-12-31
• World's third-largest island — 2011-01-26
• Island where many a 40-Across lives — 2010-11-01
• Ape's home — 2006-04-02
• Island on the Java Sea — 2002-07-22
• Where Brunei is — 1997-12-05
• Brunei's island — 1995-02-24
• World's third-largest island — 1993-11-23