When was the Olympic flag with five rings first introduced?

When was the Olympic flag with five rings first introduced?

پانچ انگوٹھیوں والا اولمپک پرچم پہلی بار کب متعارف کرایا گیا؟
Explanation

The Olympic flag with five rings was first introduced in 1913 by Pierre de Coubertin

Olympic Games logo has 5 rings which represent five continents.

Europe, Africa, Asia, Australia, America