Historical clue formulations

• Pennsylvania city where Crayola is headquartered — 2022-07-30
• Pennsylvania city where the Delaware and Lehigh Rivers meet — 2021-01-16
• Pennsylvania city where the Delaware and Lehigh Rivers meet — 2018-02-24
• Sheena who sang "U Got the Look" with Prince — 2017-02-05
• City where the Lehigh and Delaware Rivers meet — 2014-10-10
• Home of Lafayette College — 2014-02-14
• "Morning Train" singer, 1981 — 2011-10-30
• City near Bethlehem — 2010-02-28
• City where the Lehigh and Delaware rivers meet — 2007-04-01
• City at the confluence of the Lehigh and Delaware rivers — 2007-03-09
• Home of Lafayette College — 2007-01-10
• Pennsylvania home of Lafayette College — 2003-11-10
• Singer Sheena — 2003-08-06
• Home of Pennsylvania's Lafayette College — 2001-10-07
• Home of Lafayette College — 2001-03-17
• "For Your Eyes Only" singer, 1981 — 1999-11-11
• Singer Sheena — 1995-02-03