Historical clue formulations

• Olympics symbol — 2020-02-04
• Image on the back of a dime — 2019-07-02
• Dangerous juggling prop — 2018-07-22
• Flashlight : U.S. :: ___ : U.K. — 2017-08-06
• Commit arson on — 2016-11-29
• Set ablaze — 2015-06-03
• Burn to the ground — 2014-06-07
• Spelunker's aid — 2014-02-28
• Caver's light source, maybe — 2013-04-01
• Johnny Storm a k a the Human ___ — 2012-02-23
• Arsonist, slangily — 2011-03-16
• What an unrequited lover carries — 2009-06-05
• Image on a dime — 2009-05-15
• It goes a long way before the Olympics — 2009-03-20
• Set alight — 2004-07-21
• Roosevelt flip side — 2002-12-10
• Spelunker's aid — 2002-07-31
• British flashlight — 2001-03-04
• Olympics symbol — 1996-09-28
• Set on fire — 1994-01-30