In 1837, Emir Abdelkader inflicted a severe defeat on the French, so that the French government was forced, by the treaty of May 28, 1837, to cede the rest of Algeria to Emir Abdelkader, except for the coastal part. But after the agreement, Emir Abdelkader announced that the French forces should leave the coastal region too. So, the French government inevitably sent a large force led by General Thomas Robert Bugeaud to confront Abdelkader, which led to the victory of the French