Historical clue formulations

• Capital of the U.S. for 54 days in 1784 — 2020-01-09
• Home of the Thunder, the Double-A affiliate of the Yankees — 2016-10-27
• Site of a 1776 George Washington victory in the Revolutionary War — 2015-03-29
• New Jersey's capital — 2013-05-13
• Capital on the Delaware — 2004-12-01
• Battle site of December 26, 1776 — 2002-03-10
• 1776 battle site — 1996-01-23
• 1776 battle site — 1994-05-15