Oops, it doesn't look like 'title odds improved after signing day' is a national day..

Other days

lumpy rug

Lumpy Rug Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
self care

Self Care Day
slime

Slime Day
unicorn

Unicorn Day
self appreciation

Self Appreciation Day
brow

Brow Day
azonto is acceptable

Azonto Is Acceptable Day
mean girls

Mean Girls Day
my little pony

My Little Pony Day