This page is for events that occurred in March in Kingdom Hearts history.
{{#vardefine:show|all}} March 1:
- Nothing happened on this day in Kingdom Hearts history!
March 2:
- Nothing happened on this day in Kingdom Hearts history!
March 3:
- Nothing happened on this day in Kingdom Hearts history!
March 4:
- Nothing happened on this day in Kingdom Hearts history!
March 5:
- Nothing happened on this day in Kingdom Hearts history!
March 6:
- Nothing happened on this day in Kingdom Hearts history!
March 7:
- Nothing happened on this day in Kingdom Hearts history!
March 8:
- Nothing happened on this day in Kingdom Hearts history!
March 9:
- Kingdom Hearts HD 1.5 + 2.5 ReMIX released in Japan on this day in 2017!
March 10:
- Nothing happened on this day in Kingdom Hearts history!
March 11:
- Nothing happened on this day in Kingdom Hearts history!
March 12:
- Nothing happened on this day in Kingdom Hearts history!
March 13:
- Nothing happened on this day in Kingdom Hearts history!
March 14:
- Nothing happened on this day in Kingdom Hearts history!
March 15:
- Kingdom Hearts -The Story So Far- was released in Canada and Latin America on this day in 2019!
March 16:
- Nothing happened on this day in Kingdom Hearts history!
March 17:
- Square Enix announced Kingdom Hearts had sold more than 4 million units worldwide on this day in 2004!
March 18:
- Nothing happened on this day in Kingdom Hearts history!
March 19:
- Nothing happened on this day in Kingdom Hearts history!
March 20:
- Nothing happened on this day in Kingdom Hearts history!
March 21:
- Nothing happened on this day in Kingdom Hearts history!
March 22:
- Nothing happened on this day in Kingdom Hearts history!
March 23:
- The Japanese version of Kingdom Hearts Unchained χ is rebranded as Kingdom Hearts Union χ on this day in 2017!
March 24:
- Nothing happened on this day in Kingdom Hearts history!
March 25:
- Nothing happened on this day in Kingdom Hearts history!
March 26:
- Nothing happened on this day in Kingdom Hearts history!
March 27:
- Nothing happened on this day in Kingdom Hearts history!
March 28:
- Kingdom Hearts released in Japan on this day in 2002!
- Kingdom Hearts II released in North America on this day in 2006!
- Kingdom Hearts HD 1.5 + 2.5 ReMIX released for the PlayStation 4 in North America on this day in 2017!
- Sora makes his debut in Kingdom Hearts on this day in 2002!
March 29:
- Kingdom Hearts Re:Chain of Memories and Kingdom Hearts II Final Mix released in Japan on this day in 2007!
- Kingdom Hearts 3D: Dream Drop Distance released in Japan on this day in 2012!
- Kingdom Hearts HD 1.5 + 2.5 ReMIX released for the PlayStation 4 in Europe and Australia on this day in 2017!
- Kingdom Hearts -The Story So Far- was released in Europe on this day in 2019!
March 30:
- Nothing happened on this day in Kingdom Hearts history!
March 31:
- Nothing happened on this day in Kingdom Hearts history!