Oops, it doesn't look like 'solidarity symbolizes true spirit of defense day' is a national day..

Other days

comfy

Comfy Day

Me Day

pick me

Pick Me Day

one

One Day

gallery

Gallery Day

special education

Special Education Day

pampering

Pampering Day

bonang

Bonang Day

embarrass your best friend

Embarrass Your Best Friend Day

ask out your crush

Ask Out Your Crush Day