ACCU is The Association of C and C++ Users. It has expanded beyond its original roots of being just for C programmers (it was then called the CUG) and has added C++, C#, Java, Perl, and Python users to its membership.
... appeared in Italian (Venice, 1488,
Milan 1489), Spanish (Seville, 1536), Arabic (Rome,
1663), Armenian (Rome, 1674), Hebrew (Frankfort,
1837), and ...