Oops, it doesn't look like 'leader hospitalised with a modern day' is a national day..

Other days

my little pony

My Little Pony Day
boy friend

Boy Friend Day
self appreciation

Self Appreciation Day
me

Me Day
frozen yogurt

Frozen Yogurt Day
prosecco

Prosecco Day
offer

Offer Day
embarrass your best friend

Embarrass Your Best Friend Day
blanket fort

Blanket Fort Day
latina equal pay

Latina Equal Pay Day