- Mar 4 French troops conquer Geertruidenberg, Netherlands
- Mar 4 Washington's 2nd inauguration as US President, shortest speech (133 words)
- Mar 5 French troops are defeated by Austrian forces and Liège is recaptured
- Mar 18 Second Battle at Neerwinden: Austria army beats France
- Mar 18 The first republican state in Germany, the Republic of Mainz, is declared by Andreas Joseph Hofmann
- Mar 26 Pro-royalist uprising in Vendée region of France