The department was created during the French Revolution on 4 March 1790, pursuant to the law of 22 December 1789, starting from a part of the province of Maine which was divided into two departments, Sarthe to the east and Mayenne to the west.
The department was created during the French Revolution on 4 March 1790. This was starting from a part of the province of Maine. This part of the province of Maine was divided into two departments to the east and Mayenne to the west. The department was pursuant to the law of 22 December 1789. This was starting from a part of the province of Maine. This part of the province of Maine was divided into two departments to the east and Mayenne to the west. Sarthe was two departments.