The first Muslim was Muhammad? Abraham? Jacob? Moses?"
And I [Muhammad] am commanded to be the first of those who bow to Allah in Islam," (39:12
)."When Moses came to the place appointed by Us, and his Lord addressed him, He said: "O my Lord! show (Thyself) to me, that I may look upon thee." Allah said: "By no means canst thou see Me (direct); But look upon the mount; if it abide in its place, then shalt thou see Me." When his Lord manifested His glory on the Mount, He made it as dust. And Moses fell down in a swoon. When he recovered his senses he said: "Glory be to Thee! to Thee I turn in repentance, and I am the first to believe." (7:14
3)."And this was the legacy that Abraham left to his sons, and so did Jacob; "Oh my sons! Allah hath chosen the Faith for you; then die not except in the Faith of Islam," (2:13
Well, it seems that your God doesn't know who was the first Muslim, so I'll guess we'll never know ;) So many contradictions, no wonder you Muslims are confused and kill each other over different interpretations!