He served during the French conquest of Algeria and in the Crimean War of 1853-1856; returning from Crimea he was made a Marshal of France and a Senator.

In the following year he was in charge of the Oran district, where his swift suppression of an insurrection won him further promotion to the grade of general of brigade, in which rank he went through the campaign of Kabylia, receiving a severe wound.

[1] Bosquet was amongst the earliest chosen to serve in the Crimean War, and at the Battle of Alma his division led the French attack.

When the Anglo-French troops formed the siege of Sevastopol, Bosquet's corps of two divisions protected them against interruption.

[1] At the age of forty-five Bosquet, now one of the foremost soldiers in Europe, became a senator and a Marshal of France, but he was in poor health, and he lived only a few years longer.