Oops, it doesn't look like 'nhs winters crisis day' is a national day..

Other days

camera

Camera Day
slime

Slime Day
latina equal pay

Latina Equal Pay Day
youth

Youth Day
aloxolt

Aloxolt Day
my little pony

My Little Pony Day
bow tie

Bow Tie Day
hannah

Hannah Day
coffee

Coffee Day
tulip

Tulip Day