In which year were the Summer Olympic Games held in the Southern Hemisphere for the first time ?

In which year were the Summer Olympic Games held in the Southern Hemisphere for the first time ?

جنوبی نصف کرہ میں پہلی بار گرمائی اولمپک گیمز کس سال میں منعقد ہوئے؟
Explanation

The 1956 Summer Olympics were an international multi-sport event held in Australia, from 22 November to 8 December 1956.

These Games were the first to be staged in the Southern Hemisphere and Oceania.