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,
Battle of the Nervasos Mountains Battle of the Nervasos Mountains The Battle of the Nervasos Mountains (Spanish: Batalla de los Montes Nervasos) occurred in the year 419 and was fought between a coalition of Suebi, led by King Hermeric together with allied Roman Imperial forces stationed in the Province of Hispania, against the combined forces of the Vandals and Alans who were led by their King Gunderic. This battle occurred in the context of a contemporary Germanic invasion of the Iberian Peninsula. The battle took place in what is today the Province of León, Spain, and resulted in a Roman/Suebian Victory. Between the years 409