Oops, it doesn't look like 'jump off a bridge day' is a national day..

Other days

chocolate milkshake

Chocolate Milkshake Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
ride the wind

Ride The Wind Day
stud

Stud Day
stress awareness

Stress Awareness Day
tulip

Tulip Day
carpenters

Carpenters Day
my little pony

My Little Pony Day
tell ur crush you like them

Tell Ur Crush You Like Them Day
me

Me Day