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

Other days

prosecco

Prosecco Day
kale

Kale Day
bow tie

Bow Tie Day
first love

First Love Day
tulip

Tulip Day
artists

Artists Day
boba

Boba Day
carpenters

Carpenters Day
my little pony

My Little Pony Day
reading

Reading Day