Historical clue formulations

• Mother-or-son Philippine president — 2016-05-07
• Manila airport name — 2012-05-19
• Time's 1986 Woman of the Year — 2010-04-10
• Time's 1986 Woman of the Year — 2009-10-25
• Time Magazine's 1986 Woman of the Year — 2006-07-08
• Marcos's successor — 2002-03-30