Oops, it doesn't look like 'drink beer good neighbor day' is a national day..

Other days

unicorn

Unicorn Day

Emoji Day

singles

Singles Day

fiancee

Fiancee Day

self care

Self Care Day

tell ur crush you like them

Tell Ur Crush You Like Them Day

self appreciation

Self Appreciation Day

hoodie

Hoodie Day

boy friend

Boy Friend Day

reading

Reading Day