Which grandslam tournament

 This question was asked on Koun Banega Karodpati program.

Question 

Which is the grand slam tournament that didn't get cancelled because of WW1,  WW2 and  COVID - 19 pandemic ???

1.   US open

2.    Australian open 

3.    French open

4.    Wimbledon 

Answer 

I was not there when WW1 and WW2 happened    !!!!

But during COVID 19 pandemic I was there.

Many major sports tournaments were cancelled because of safety concerns.

Wimbledon was cancelled during both WW1, WW2 and also on COVID.

Wimbledon ruled out.

Australian open was held during WW1 but cancelled during WW2. It was rescheduled during COVID.

Australian open ruled out.

French open was not played during WW1, WW2 but during COVID, it was played with limited spectators.

French open ruled out.

US open was held during WW1 and WW2. It was held with security measures during COVID pandemic.

US open didn't get cancelled in all the 3 occasions.

ANSWER            US   OPEN   !!!!