Oops, it doesn't look like 'i miss eret day' is a national day..

Other days

camera

Camera Day
one

One Day
coffee

Coffee Day
ride the wind

Ride The Wind Day
youth

Youth Day
lost sock memorial

Lost Sock Memorial Day
lumpy rug

Lumpy Rug Day
lash

Lash Day
slime

Slime Day
tulip

Tulip Day