President Ayub Khan resigned from the office of the President on?

President Ayub Khan resigned from the office of the President on?

صدر ایوب خان نے صدر کے عہدے سے استعفیٰ دے دیا؟
Explanation

President Ayub Khan resigned from office on March 25, 1969.

He was the commander-in-chief of the Pakistan Army 

He was the third President of Pakistan from 25 March 1969 until December 1971.