[MarceColl]

I guess it depends on what real language means to you, but APL[1] existed before and it's fully array based.

[1]: https://en.wikipedia.org/wiki/APL_%28programming_language%29

[disgruntledphd2]

When I writing the comment I was like, maybe APL was first? Nah, no-one will claim that. So congratulations on nerd-sniping me ;)