Question

When was the Postal order introduced?
Which day is observed as the World Environment Day?

Answer 1

hai friend

here is your answer

the postal order was introduced in 1894

5 June is observed as the world environment day!!

HOOE IT HELPS YOU

Answer 2

Hey dear

{} In 1894, the Postal order was introduced.

{} 5th June is celebrated as the world environment day every year.

Hope this helps you dear