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

Other days

coffee

Coffee Day
youth

Youth Day
lost sock memorial

Lost Sock Memorial Day
believe

Believe Day
hot chocolate

Hot Chocolate Day
nail polish

Nail Polish Day
nae nae

Nae Nae Day
ruby

Ruby Day
eat what you want

Eat What You Want Day
kale

Kale Day