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

Other days

camera

Camera Day
bonang

Bonang Day
brow

Brow Day
hiv awareness

Hiv Awareness Day
boba

Boba Day
reading

Reading Day
lumpy rug

Lumpy Rug Day
frozen yogurt

Frozen Yogurt Day
cuddle up

Cuddle Up Day
stress awareness

Stress Awareness Day