In which form, 5th June is celebrated as?

11th July is celebrated as

5th June is declared every year as

Which day is celebrated as AIDS Day?

AIDS-day is celebrated on

Find four numbers forming a geometric progression in which the third term is greater than the first term by 9, and the second term is greater than the 4th by 18.

World Environment Day is celebrated on

Which day is celebrated as "No-Tobacco Day"?

Which day is celebrated as"NO Tobacco Day"?