This can not be told as nobody knows correctly.
The Russian put the first man in earth orbit, he was Yuri Gagarin in the year 1961.
No. Adam was the first man on earth according to the Biblical record.
Adam and Eve were the first man and women on earth.
Adam
God created man and woman on the same day, Woman was formed from the rib of Adam, so man was the first human on earth.
According to Hindu mythology, the first man and woman on earth were Manu and Shatarupa.
1000 year
Well the first man on earth was Adam and then the first woman on earth was Eve. But that's only a religious theory.
If the "first an" is meant to be "first man", then the answer is that no man has been on any planet other than the earth.
Adam
it has been proven that the first human man on earth was a prehistoric caveman name greggus cainus
The first man to step on moon was NEIL ARMSTRONG.