HomeApril 2012 Days and Dates in News [April, 2012] byR. I. Jadeja •12:09 AM 0 April 5 – National Maritime Day April 7 – World Health Day April 17 – World Hemophilia Day April 18 – World Heritage Day April 22 – Earth Day April 23 – World Books & Copyright Day April 25- World Malaria Day. Tags: April 2012 Current Affairs Days and Dates Facebook Twitter