He entered politics in 1892 when he was elected to the chamber of deputies for Pinerolo, a seat which he held for 30 years.

Facta, a member of the Liberal Party, served as undersecretary of the justice and interior departments in the coalition cabinet for much of his time in Parliament.

"[2] At the time, Italy was in political turmoil and was dealing with Mussolini's fascist insurgency.

Facta always refused to explain the secret reasons that brought King Victor Emmanuel III not to sign the declaration of emergency.

Facta died in Pinerolo, Italy, in 1930, with the general population believing him to have been too feeble and faithful to the King to take a more active role to stop Mussolini and the rise of Fascism.