Battle of Badr In 622, Muhammad bade many of his followers to migrate from Mecca to the neighboring city of Medina, 320 km (200 mi) north of Mecca. Shortly thereafter, Muhammad himself left for Medina. This migration is referred to as the "Hijra". The Quranic Verse 22:39 uttered by Muhammad sometime shortly after the migration permitted Muslims, for the first time, to take up arms in defence. During this period Muhammad employed three broad military strategies against the Meccans. Firstly, to establish peace treaties with the tribes surrounding Medina, especially with those from whom the Meccans could derive most advantage against the Muslims.
Army of the Three Guarantees Three Guarantees was created on February 24, 1821, and continued battling Spanish royalist forces which refused to accept Mexican independence. These battles continued until August 1821, when Iturbide and Spanish Viceroy Juan de O'Donojú signed the Treaty of Córdoba, virtually ratifying Mexico's independence. The Army was a decisive force during the Battle of Azcapotzalco. The victory in this last battle of the war cleared the way to Mexico City. On September 27, 1821, the Army of the Three Guarantees triumphantly entered Mexico City, led by Iturbide. The following day Mexico was declared independent. By that time, the Army of the