The cavalry regiment of the King is renamed as 6th Cavalry Regiment in 1791. It serves in 1792 and 1793 in the Army of the North, from 1795 to 1797 in the Army of Sambre-et-Meuse. Assigned to the Army of Germany in 1798, it campaigns there until 1801.

The 6th Cavalry Regiment is renamed as 6th Cuirassiers-Cavalry Regiment by order of December 23, 1802 and 6th Cuirassiers Regiment by decree of September 24, 1803.

It takes part in campaigns in Italy in 1805, Germany in 1806 and 1807 in 3rd Reserve Corps of the Grande Army, Austria in 1809 in Reserve Cavalry Corps of the Army of Germany. Assigned to the Observation Corps of the Elbe in 1811, it takes part in the campaign of Russia in 1812 and in Germany and France in 1813 and 1814 in the 1st Cavalry Corps.

In 1814, regiment is renamed Colonel-General’s Cuirassiers. It is disbanded in 1815, strength being transferred in the new Heir Prince’s Cuirassiers (2nd).

Unit commanders

• 2 January 1799 : Léonard Cacatte
• 24 February 1805 : Archange Rioult d’Avenay
• 25 June 1807 : François d’Avrange D’Haugeranville
• 6 August 1811 : Jean-Baptiste Martin

Battles

• 1805 : Caldiero
• 1807 : Heilsberg
• 1809 : Eckmühl, Essling and Wagram
• 1812 : Borodino and Malojaroslawetz
• 1813 : Dresden and Leipzig
• 1814 : Champaubert
• 1815: Waterloo

Standards
Each squadron is granted in 1804 with an eagle and a Challiot type standard.
Regiment is granted in 1812 with a standard of 1812 model with the following battles names :