OED cites the first usage in 1938, the latter in 1962.Similarly, to get to second base and to get to third base vaguely refer to more sexual acts, usually some form of making out, though some people may have very specific definitions of what each term means.

And given the choice between having just one boy with whom to spend all my time or a group of boys, friends trumped boyfriend.
In college there were a handful of guys who probably could have been my first, but things never quite worked out.
To break a scoreless or hitless or winless streak (i.e., a schneid).
According to the Dickson Baseball Dictionary, the term "schneid" comes to baseball via gin rummy, and in turn comes from German / Yiddish "schneider," one who cuts cloth, i.e., a tailor.
Pam grew up on her family's dairy farm in rural Brown County Wisconsin, Poovey Farms, where she helped raise Holstein cows and produce dairy products such as milk and cheese.
For much of her childhood she was constantly teased and humiliated by her sister Edie such as when Edie gave a blowjob to a boy Pam liked or when she had calf's blood dumped on Pam during prom.
There’s no good time to tell a guy you’re a virgin. So: There’s no good time to tell a guy you’re a virgin. I’m a 26-year-old woman with a college degree, a good job, an adorable duplex and no debt.
Wait until the third date and you risk being considered a tease. Perhaps, but at this point you’re both still fretting over whether or not to eat another piece of bread; delving into sexual histories (or lack thereof) seems a bit extreme. I should be better at sharing this bit of information by now.
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Pamela "Pam" Poovey (voiced by Amber Nash) is a main character, and was the former Human Resources (H. She frequently came across personal information about the other employees that she exposed on her blog. In the episode 'Un Chien Tangerine' she scored very highly in the IFAAB (ISIS Field Agent Aptitude Battery), which is an exam aspiring field agents have to pass to be put on active duty in the field.