Gambits first appearance was in Uncanny X-Men Annual #14 (July 1990) I believe. It is stated he became a regular a few weeks later in Uncanny X-Men #266 (Aug. 1990). So I guess the answer would be (July 1990).
He is 6'1"
minecraft designer Marcus Persson, aka Notch, was born June 1, 1979.
Paul DelVecchio, aka DJ Pauly D, was born July 5, 1980.
Marion Robert Morrison (aka John Wayne) was born May 26th, 1907.
Jordan Maron aka Captainsparklez was born Febrary 10th, 1992 he is 22 years old
He is 6'1"
Around 25/26.
Olivia Wilde plays Dr. Remy Hadley AKA 13.
Harry Milward( aka Harry Styles)'s birthday is Febuary 1st
Zonnique aka star birthday is march 24 1996...
october 12
Harry Milward( aka Harry Styles)'s birthday is Febuary 1st
Spider man aka peter Parker birthday is February 25th
Weezy F. Baby aka Lil Wayne's birthday is Sptember 27... (trust me,,, i kno)
Storm's birthday is on May 23rd.
24 July.
His birthday is March 14...aka 3.14