Oops, it doesn't look like 'alika day' is a national day..

Other days

boba

Boba Day
pick me

Pick Me Day
carpenters

Carpenters Day
kale

Kale Day
eat what you want

Eat What You Want Day
coffee

Coffee Day
slime

Slime Day
tulip

Tulip Day
artists

Artists Day
believe

Believe Day