World Population Day is celebrated every year on the 11th July. The event seeks to raise awareness of Global Population issues we face.
I Can't find a population day, but there is a National Day, it's celebrated on December 28th
world population day
15th March is celebrated as world customer day.
World no tobacco day is celebrated on 31st of May.
World asthma day is celebrated may, 4.
World Peace Day is celebrated on the 21st of September.
World Science Day is celebrated on 28th February.
This Day is celebrated on 5 June
world food day is celebrated on 16th of october every year.
World Daughter's Day is celebrated on 23rd September.
It is celebrated around the world.