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

Other days

blanket fort

Blanket Fort Day
believe

Believe Day
nae nae

Nae Nae Day
promposal

Promposal Day
offer

Offer Day
ruby

Ruby Day
slime

Slime Day
bubble bath

Bubble Bath Day
brow

Brow Day
self appreciation

Self Appreciation Day