Oops, it doesn't look like 'botanical gardens this day' is a national day..

Other days

ruby

Ruby Day
first love

First Love Day
lumpy rug

Lumpy Rug Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
nae nae

Nae Nae Day
special education

Special Education Day
bow tie

Bow Tie Day
martini

Martini Day
kiss a brunette

Kiss A Brunette Day
eat what you want

Eat What You Want Day