Oops, it doesn't look like 'colours for international mens day' is a national day..

Other days

emoji

Emoji Day
self appreciation

Self Appreciation Day
azonto is acceptable

Azonto Is Acceptable Day
kale

Kale Day
bow tie

Bow Tie Day
self care

Self Care Day
cuddle up

Cuddle Up Day
chocolate milkshake

Chocolate Milkshake Day
stud

Stud Day
tell ur crush you like them

Tell Ur Crush You Like Them Day