Islam migrants ("Muhajirun"), Muhammad in Medina established his political and religious authority. The Constitution of Medina was formulated, instituting a number of rights and responsibilities for the Muslim, Jewish, Christian and pagan communities of Medina, bringing them within the fold of one community—the Ummah. The Constitution established: All the tribes signed the agreement to defend Medina from all external threats and to live in harmony amongst themselves. Within a few years, two battles took place against the Meccan forces: first, the Battle of Badr in 624 – a Muslim victory, and then a year later, when the Meccans returned to Medina,
Al-Badr (East Pakistan) Al-Badr (East Pakistan) The Al-Badr () was a paramilitary force composed mainly of Bihari Muslims which operated in East Pakistan against the Bengali nationalist movement during the Bangladesh Liberation War, under the patronage of the Pakistani government. The name of the paramilitary formation, Al-Badr, means the full moon and refer to the Battle of Badr. Al-Badr was constituted in September 1971 under the auspices of General Amir Abdullah Khan Niazi, then chief of the Pakistan Army eastern command. Members of Al-Badr were recruited from public schools and madrasas (religious schools). The unit was used for raids and special operations; the