Oops, it doesn't look like 'jose canseco let a homer bounce off his head day' is a national day..

Other days

Prosecco Day

Tell Ur Crush You Like Them Day

Tell A Fairytale Day

Carpenters Day

Appreciate Yaself A Lil Extra Day

Frozen Yogurt Day

Aloxolt Day

Slime Day

Emoji Day

Buddy Day