During what century did muhammad recieve his first revelation from god

Muhammad's revelation was an event described in Islam as taking place in 610 AD, during which the Islamic prophet, Muhammad was visited by the archangel Jibrīl, who revealed to him the beginnings of what would later become the Quran. The event took place in a cave called Hira, located on the mountain Jabal an-Nour

B) part of a whole . hope it helps :) .