Oops, it doesn't look like 'peppermint patty make a friend day' is a national day..

Other days

self appreciation

Self Appreciation Day
get funky

Get Funky Day
unicorn

Unicorn Day
cuddle up

Cuddle Up Day
hiv awareness

Hiv Awareness Day
azonto is acceptable

Azonto Is Acceptable Day
cursing

Cursing Day
carpenters

Carpenters Day
boy friend

Boy Friend Day
lost sock memorial

Lost Sock Memorial Day