C

1972

Broad application low-level programming language released in 1972.

made for installing operating systems

Developed at Bell Labs by Dennis Ritchie.

Originally designed for Unix OS

Most widely used programming language of all time.

Used on everything from microcontrollers to supercomputers.

Used as the base to even more programming languages, including C++, C#, Java, etc.

One of the most popular programming languages today.

Refrences

https://en.wikipedia.org/wiki/C_(programming_language)