Historical clue formulations

• President who was an electrician by profession — 2013-01-20
• Time's 1981 Man of the Year — 2011-10-09
• Shipyard worker fired in 1976 — 2010-12-03
• Lech of Poland's Solidarity — 2010-11-17
• Only private non-American to address a joint session of Congress (1989) — 2009-11-20
• 1983 Peace Nobelist — 2009-06-28
• Non-head of state who addressed a 1989 joint session of Congress — 2008-11-26
• Polish Peace Nobelist — 2008-04-13
• Solidarity leader — 2007-03-21
• Solidarity leader Lech — 2006-02-07
• President who was once a labor leader — 2003-06-08
• Solidarnosc leader — 1997-09-17
• Big name in Gdansk — 1995-10-15