When is International Everest Day annually celebrated?

When is International Everest Day annually celebrated?

ایورسٹ کا عالمی دن سالانہ کب منایا جاتا ہے؟
Explanation

International Everest Day is annually celebrated on 29th May to commemorate the first-ever summit of Mount Everest by Sir Edmund Hillary of New Zealand and Tenzing Norgay Sherpa of Nepal on 29th May 1953.