Oops, it doesn't look like 'ysannea day' is a national day..

Other days

boyfriend

Boyfriend Day
bonang

Bonang Day
frozen yogurt

Frozen Yogurt Day
nae nae

Nae Nae Day
law

Law Day
reading

Reading Day
nail polish

Nail Polish Day
self appreciation

Self Appreciation Day
slime

Slime Day
self care

Self Care Day