This man was born in a year in which an elephant owned by the ruler of Saba' refused to enter his hometown. Khosrau II angrily tore up the letter he received from this man. His early military tactics centered on ghazawat raids. His conflicts against the Quraysh tribe culminated at the Battle of Badr, which he won. He dug fortifications to defeat a larger force at the Battle of the Trench. His journey to a town formerly named Yathrib is known as the Hijra. For 10 points, 
This man was born in a year in which an elephant owned by the ruler of Saba' refused to enter his hometown. Khosrau II angrily tore up the letter he received from this man. His early military tactics centered on ghazawat raids. His conflicts against the Quraysh tribe culminated at the Battle of Badr, which he won. He dug fortifications to defeat a larger force at the Battle of the Trench. His journey to a town formerly named Yathrib is known as the Hijra. For 10 points, name this man who led a pilgrimage from Mecca to Medina, transcribed the Qur'an, and founded Islam.
This man was born in a year in which an elephant owned by the ruler of Saba' refused to enter his hometown.
Muhammad ibn Abdullah