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 Vistula River their administrative arrangements On 1 November Colonel General Hindenburg was given command of all of the German forces in the east while Mackensen took over Ninth Army and Otto von Below led Eighth Army. They returned to the offensive in the Battle of Lodz. Russian North-Western Front. Commander-in-chief – Nikolai Ruzsky Battle of the Vistula River The Battle of the Vistula River, also known as the Battle of Warsaw, was a Russian victory against the German Empire and Austria-Hungary on the Eastern Front during the First World War. By mid-September 1914 the Russians were driving the Austro-Hungarian Army deep into