Historical clue formulations

• Strategic port raided by Sir Francis Drake in 1587 — 2014-06-21
• Southernmost province of Spain — 2013-10-06
• Port of Spain — 2013-06-25
• Andalusian port — 2011-05-22
• European port founded by the Phoenicians — 2007-04-06
• Port of Spain — 2005-12-19
• Spanish naval base site — 2002-01-08
• Spanish port — 2001-09-09
• Spain's Gulf of ___ — 2000-10-13
• Spanish port — 2000-04-30
• Spanish seaport — 2000-02-24
• Spain's Gulf of ___ — 1999-08-21
• Spanish port from which Columbus sailed, 1493 — 1999-06-15
• Port of Spain — 1995-04-08
• Port NW of Gibraltar — 1994-08-21