2019 International Day of Human Space Flight is observed on which date __________?

Question

Accepted Answer

April 12. April 12 is the correct date for the International Day of Human Space Flight because it marks a significant historical event. April 13 is incorrect as it does not mark this specific day. April 14 is incorrect as it is not the designated date for this observance. April 15 is incorrect as it is not the recognized date.