Historical Research Library

Discover the people, events, and key documents that shaped the Founding Era.

Singers and dancers focused on Chris Jackson playing George Washington

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Map showing Howe's attack on Washington's forces on Long Island, August 1776 (The Gilder Lehrman Institute of American History, GLC04177)

New York and New Jersey Campaigns, 1776

A series of Revolutionary War military actions in which British forces gained control over New York and New Jersey

Event

New York African Free-School No. 2, based on a drawing by a student, from The History of the New-York African Free-School, by Charles C. Andrews, 1830 (The Gilder Lehrman Institute of American History)

Founding the New-York Manumission Society, 1785

Establishing an organization to advocate gradual abolition of slavery, educate free Black people, and prevent them from being sold into slavery

Event

A 19th-century engraving of the Hamilton-Burr Duel (Granger)

Hamilton-Burr Duel, 1804

A fatal confrontation between Alexander Hamilton and Aaron Burr that stemmed from political and personal animosities and shaped American political history

Event

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New York and New Jersey Campaigns, 1776

Founding the New-York Manumission Society, 1785

Hamilton-Burr Duel, 1804