Historical clue formulations

• When repeated, a Polynesian capital — 2014-02-23
• Vino de ___ (Spanish wine designation) — 2013-12-28
• Polynesian port, when doubled — 2011-10-29
• When doubled, a Samoan port — 2011-06-05
• When repeated, capital city of 11,000 — 2010-06-03
• When repeated, a Samoan city — 2008-11-03
• Guam's ___ Bay — 2007-12-14
• When doubled, a Pacific capital — 2006-11-17
• Doubled, a Polynesian capital — 2004-06-24
• When doubled, a Pacific capital — 2002-06-20
• When repeated, a Samoan city — 2002-02-05
• When repeated, a Samoan port — 1996-05-21
• When repeated, a Samoan port — 1996-04-25
• Samoan port, if repeated — 1995-08-31
• Half of a Samoan port — 1995-06-04
• When doubled, a Samoan port — 1995-01-02