Battle of Badr the battle at Badr comes from traditional Islamic accounts, both hadiths and biographies of Muhammad, recorded in written form some time after the battle. There is little evidence outside of these of the battle. There are no descriptions of the battle prior to the 9th century. Prior to the battle, the Muslims and the Meccans had fought several smaller skirmishes in late 623 and early 624. Badr, however, was the first large-scale engagement between the two forces. Advancing to a strong defensive position, Muhammad's well-disciplined force broke the Meccan lines, killing several important Quraishi leaders including the Muslims' chief antagonist
Abu Sufyan ibn Harb to intercept it. The Muslim contingent failed to intercept the caravan. They arrived after the caravan had already passed by Medina. Abu Sufyan had learned of the Muslims' plan from scouts he had deployed, and in response, sent a crier to Mecca to rally the Quraysh to arms against the Muslims. The Muslims ended up engaging this Meccan army, a force of around 1000 men, at the plains of Badr several days after they had failed to intercept the caravan. This conflict, the Battle of Badr, ultimately resulted in a Muslim victory. The death of most Quraysh leaders in the