World Oceans Day 20

Do you know what holiday it is today?
We are used to the fact that we know only religious and public holidays and celebrate only them.
I found out about this only yesterday after visiting the our site.
It turns out that every day there are from 2 to 10 different holidays that surround us and make our lives happier.
Here is one of the holidays that will be today:
 
 
http://pejuanghadiah.com/boards/forumfirst/viewtopic.php?t=160203
http://www.forum.ivlena.ru/viewtopic.php?f=34&t=24978
http://oldpeoplewholikebirds.com/forum/memberlist.php?mode=viewprofile&u=230500
http://pclub.cc/home.php?mod=space&uid=225591
http://pekanbaru.linux.or.id/forum/index.php?topic=67803.new#new