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

Other days

hiv awareness

Hiv Awareness Day

camera

Camera Day

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day

raise awerness of zeus

Raise Awerness Of Zeus Day

frozen yogurt

Frozen Yogurt Day

pick me

Pick Me Day

blanket fort

Blanket Fort Day

slime

Slime Day

Emoji Day

bow tie

Bow Tie Day