you should celebrate world asthma day!
We celebrate World Hello Day because its the day for us to say HELLO to everyone
No
The world celebrate February 14 as the world's hearts day or Valentines day.
11th July.
world tourism day is celebrated on 27 September
the health day of india
believe it or not you'd be suprised that most of the world does not celebrate christmas
World Engineers Day : 15 September
because they want to celebrate the people that saved our world
TB world day usually celebrate every 24 of march
World Energy Day is celebrated on 19th March