Oops, it doesn't look like 'lockdown on the exact same day' is a national day..

Other days

offer

Offer Day
believe

Believe Day
unicorn

Unicorn Day
self appreciation

Self Appreciation Day
ruby

Ruby Day
raise awerness of zeus

Raise Awerness Of Zeus Day
girl friend

Girl Friend Day
boy friend

Boy Friend Day
first love

First Love Day
chocolate milkshake

Chocolate Milkshake Day