Deaths on March 29

Marc René, marquis de Montalembert, French general and engineer (b. 1714)

Marc René, marquis de Montalembert (16 July 1714 – 29 March 1800) was a French military engineer and writer, known for his work on fortifications.

14 May

Washington, D.C.
The process of the U.S. Government moving the United States capital city from Philadelphia to Washington, D.C. begins.
14 Jun

Battle of Marengo
The French Army of First Consul Napoleon Bonaparte defeats the Austrians at the Battle of Marengo in Northern Italy and re-conquers Italy.
30 Aug

Slave rebellion
Gabriel Prosser postpones a planned slave rebellion in Richmond, Virginia, but is arrested before he can make it happen.
7 Oct

Robert Surcouf
French corsair Robert Surcouf, commander of the 18-gun ship La Confiance, captures the British 38-gun Kent inspiring the traditional French song Le Trente-et-un du mois d'août.
17 Nov

6th United States Congress
The United States Congress holds its first session in Washington, D.C.