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

Other days

promposal

Promposal Day
bow tie

Bow Tie Day
youth

Youth Day
hoodie

Hoodie Day
martini

Martini Day
ask out your crush

Ask Out Your Crush Day
tulip

Tulip Day
nail polish

Nail Polish Day
nae nae

Nae Nae Day
lash

Lash Day