When did the first Indo-Pak war take place?

When did the first Indo-Pak war take place?

Explanation

The Indo-Pakistani War of 1947–1948, also known as the First Kashmir War, was a war fought between India and Pakistan 

It was the first of four Indo-Pakistani wars


War between Pakistan and India
1 Indo-Pakistani War of 
1947
2 Indo-Pakistani War of 
1965
3 Indo-Pakistani War of 
1971
4 Indo-Pakistani War of 
1999