"lover" is kind of an old word.  I recommend use "significant other" instead.  Also, the term "anniversary" is just for days celebrated by couples or institutions (not an entire country) -- use "holiday" instead.

Special days in Korea.

Here in Korea, we have many anniversary holidays (almost every month).

14 of Jan is Diary day: The moment of the New Year begins, couples can exchage thier diary each other.
14 of Feb is Valentines day: Girls give chocolate to boys they like.
14 of Mar is White day: Boys give candy to girls they like.
14 of Apr is Black day: People who didn't receive anything on Valentines day or and White day eat together jjajangmyeon together.
14 of May is Rose day: People give a rose to their significant other lover.
14 of June is Kiss day: Kiss day <3
14 of July is Silver day: People exchange rings with their significant otherlover.
14 of Aug is Music day: PeopleTo sing a song(serenade) for their significant otherlover.
14 of Sep is Photo day: People take a photo with their significant otherlover.
14 of Oct is Wine day: While talking People drink a glass of wine while talking to each other.
11 of Nov is Pepero day: People present Pepero to their friends, family, and significant otherlover with Pepero (a well-known Korean confection).
11 of Nov is Movie day: People spend quality time with their loved onesBuild up good memories while watching a movie.

And so on....

TodayIt was Pepero day. The older I getgrow, the more I don't managelose track of these holidaysevents.
And I think maybe it proves that I'm getting oldage:D