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

Other days

gallery

Gallery Day
nail polish

Nail Polish Day
hot chocolate

Hot Chocolate Day
aloxolt

Aloxolt Day
girl friend

Girl Friend Day
bounce

Bounce Day
nae nae

Nae Nae Day
self care

Self Care Day
pampering

Pampering Day
ruby

Ruby Day