Oops, it doesn't look like 'wage gap apologism awareness day' is a national day..

Other days

prosecco

Prosecco Day

ride the wind

Ride The Wind Day

gum

Gum Day

lost sock memorial

Lost Sock Memorial Day

girl friend

Girl Friend Day

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day

comfy

Comfy Day

boy friend

Boy Friend Day

Emoji Day

stress awareness

Stress Awareness Day