The French Government of the Hundred Days was formed by Napoleon I upon his resumption of the Imperial throne on 20 March 1815, replacing the government of the first Bourbon restoration which had been formed by King Louis XVIII the previous year.

Almost a year after his first abdication, Napoleon left from exile on Elba and landed on the mainland near Cannes on 1 March 1815.

[2] On 16 March 1815 Louis XVIII addressed a meeting of both chambers, appealing to them to defend the constitutional charter.

[6] On 1 June 1815 a major ceremony was held on the Champ de Mars in which the Emperor's authority was formally recognized.

[7] On 12 June 1815 Napoleon left Paris for the north, where the allied forces of Britain and Prussia were assembling.