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

Other days

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
hiv awareness

Hiv Awareness Day
artists

Artists Day
chocolate milkshake

Chocolate Milkshake Day
eat what you want

Eat What You Want Day
polyamory

Polyamory Day
ponytail

Ponytail Day
tell a fairytale

Tell A Fairytale Day
ride the wind

Ride The Wind Day
gallery

Gallery Day