Oops, it doesn't look like 'i love chenji day' is a national day..

Other days

boba

Boba Day
mean girls

Mean Girls Day
china

China Day
stud

Stud Day
bubble bath

Bubble Bath Day
cuddle up

Cuddle Up Day
kiss a ginger

Kiss A Ginger Day
slime

Slime Day
bonang

Bonang Day
believe

Believe Day