What are the correct version numbers for C

Question

What are the official C# version numbers? When did what come out? Why can't I locate any C# 3.5 answers?

This topic is intended to help people who are looking for an answer with an inaccurate version number, such as C# 3.5. The hope is that anyone who can't find an answer by searching with the wrong version number will come across this query and then search with the correct version number.

Answer 1

On Wikipedia, you may find the most recent C# versions.

https://en.wikipedia.org/wiki/C_Sharp_%28programming_language%29