The message to surrender to Allah's will , the one and only one God, was received by Muhammad from God through God revelation of Quran to him through the Angel Gabriel (Jibril) that started in year 610 AD through the year 632 AD (year of prophet Muhammad (PBUH) death. This mesaage is called Islam.
He receieved this message to surrender to the Will of Almighty Allah when he was at the age of 40 years, and was meditating in the Cave of Hira.
Muhammad (peace be upon him) received the verses of the Quran from God, via the angle Gabriel (peace be upon him). The quran was originally memorized, then recorded on paper
the allah is one and muhammad is the messanger of allah
Answer: Around 600+ AD
There is no God other than Allah and Muhammad is the messenger of Allah
there is no God but Allah and Muhammad (PBUH) is messenger of Allah and people can go Heaven by submitting to Allah
By revelation from his God "Allah" through the angle Gibraiel.
messenger of Allah , sent to deliver the message of Islam
In Islam, Muhammad is considered the last prophet and messenger of Allah. He received revelations from Allah which form the basis of the Quran, the holy book of Islam. Muslims believe that Muhammad conveyed Allah's message to humanity and served as a role model for how to live a righteous life according to the teachings of Islam.
The first mesaage that Muhammad received was that allahtold him that you are my prophet and you will spread Islam
Islam religion per God Quran revelation to prophet Muhammad is founded by Allah (God in English and same God in Christianity and Judaism) and not prophet Muhammad (peace be upon him). Prophet Muhammad is the God Messenger and prophet who conveyed God message to his followers. Refer to related question below
Muhammad PBUH is the last ,the greatest & the most important prophet. Also, He is the best human ever & forever. He was chosen by the Almighty Allah to convey the message of Islam, the last & universal message from Allah to the mankind. For more information, refer to the related question below.