[4] Elected as captain by his comrades, by the time his battalion reached the Army of the Rhine on 5 September 1792 Morand was in command with a rank of lieutenant colonel.
[4] In this role, he took part in Jourdan and Moreau's campaigns against Archduke Charles, fighting at Koenigstein, Deining [de] and Neumarkt.
He repulsed a Mamluk attack on this town on 6 April 1799,[4] and that August defeated Murad Bey at the battles of El Ganaim and Samannud.
[2] Promoted to Général de Brigade on 6 September 1800, by May 1801 he joined Verdier's division to form the garrison of Cairo against the advancing Anglo-Turkish forces.
A struggle for the city was avoided when, along with General Belliard, he signed a surrender agreement that would evacuate the remaining French troops.
[5][6] Back in France, after some leave, Morand was made commandant of the Department of Morbihan on 19 March 1802 before being called to Marshal Soult's camp at Saint-Omer on 30 October 1803.
[4] Wounded by a shot during the battle, Morand was rewarded for the part he played in the victory by promotion to Général de Division on 24 December 1805,[2] and also made governor of Vienna.
His division played a vital part in the battle of Auerstedt, where Davout's lone corps defeated a Prussian army more than twice their size.
Continuing to campaign into Poland, he fought at the capture of Custrin, the crossing of the Bug, and the battles of Czarnowo and Golymin, before being wounded again at Eylau.
[4] There, at a ball organised by Frederick Augustus, Duke of Warsaw in December 1807, he met Emilia, the sixteen-year-old daughter of Count Parys, a Polish aristocrat and colonel in the Saxon army.
[2] In the summer of 1808, as relations with Austria deteriorated, III Corps was redeployed to Franconia to watch the border, Morand being stationed in Neumarkt.
[4] By this time his relationship with Davout had soured, as Morand believed his chief had blocked his chances of promotion in order to retain his services.
[9] Matters came to a head in November 1810 when, by accident or design, Morand wrote directly to Minister of War Clarke instead of corresponding via Davout.
Davout delivered a sharp rebuke in response, and Morand wrote again to Clarke threatening to resign if he was not transferred to a different commander.
He took over command of the IV Corps on 13 November 1813 and led the defence of Mainz from December 1813 to April 1814, retiring to Fontainebleau when Napoleon abdicated.