Oops, it doesn't look like 'security guard soldier takes position on his tableaux during rehearsals for the upcoming republic day' is a national day..

Other days

Appreciate Yaself A Lil Extra Day

Polyamory Day

Tell Ur Crush You Like Them Day

Carpenters Day

Law Day

Lost Sock Memorial Day

Frozen Yogurt Day

Brow Day

Donate Your Hair Day

Book Day