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

Other days

tulip

Tulip Day

Me Day

my little pony

My Little Pony Day

lumpy rug

Lumpy Rug Day

nae nae

Nae Nae Day

self care

Self Care Day

prosecco

Prosecco Day

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day

ask out your crush

Ask Out Your Crush Day

slime

Slime Day