The Battle of Long Island (a.k.a. Battle of Brooklyn Heights): Lieutenant General William Howe, commanding a force of 20,000 British regulars, along with 2,000 German mercenaries, defeats the Continental Army, commanded by General George Washington.  This forces Washington’s retreat onto Manhattan Island.

       [restored 7/24/2021]

Subsequent Events:

8/15/1776                    10/28/1776

References:

“Chronology of Events, 1774-1804,” from The Debate on the Constitution, two volumes, Bernard Bailyn, ed., (New York: Library of America, 1992), 2:1031.

Battle of Long Island – Wikipedia
en.wikipedia.org/wiki/Battle_of_Long_Island

Current U.s. National Debt:

$36,167,124,467,492

Source