2nd » A Oikos University shooting named mass shooting at Oikos University at Oakland, California leaves seven people dead and three injured.
6th » Azawad Azawadi declaration of independence or declares itself independent from the Republic of Mali.
11th » An 8.2 magnitude April 2012 Aceh earthquake or earthquake hits Indonesia, off northern Sumatra at a depth of 16.4 km. A tsunami hits the island of Nias at Indonesia.
16th » The Trial of Anders Behring Breivik called trial for Anders Behring Breivik, the perpetrator of the 2011 Norway attacks, begins in Oslo, Norway.
16th » The 2012 Pulitzer Prize Pulitzer Prize winners were announced, it was the first time 1977 Pulitzer Prize since 1977 that no book won the Pulitzer Prize for Fiction Fiction Prize.
20th » 127 people are killed when a Bhoja Air Flight 213 known as plane crashes in a residential area near the Benazir Bhutto International Airport near Islamabad, Pakistan.
21st » Two trains are involved in a Sloterdijk train collision called head-on collision near Sloterdijk, Amsterdam, in the Netherlands, injuring 116 people.
27th » At least 2012 Dnipropetrovsk explosions or four explosions hit the Ukraine named Ukrainian city of Dnipropetrovsk with at least 27 people injured.
30th » An overloaded Assam ferry sinking e.g ferry capsizes on the Brahmaputra River in India killing at least 103 people.
4th » Roberto Rexach Benítez, American-Puerto Rican politician, 10th President of the Senate of Puerto Rico (b. 1929)
5th » Joe Avezzano, American football player and coach (b. 1943)
5th » Angelo Castro, Jr., Filipino journalist and actor (b. 1945)
5th » Cynthia Dall, American singer and guitarist (b. 1971)
5th » Jim Marshall (businessman) or Jim Marshall, English businessman, founded Marshall Amplification (b. 1923)
5th » Barney McKenna, Irish banjo player (The Dubliners) (b. 1939)
5th » Gil Noble, American television host (b. 1932)
5th » Peter Tapsell (New Zealand politician) called Peter Tapsell, New Zealand politician, 30th Minister of Defence (New Zealand) known as New Zealand Minister of Defence (b. 1930)
5th » Bingu wa Mutharika, Malawian politician, 3rd President of Malawi (b. 1934)
6th » Roland Guilbault, American admiral (b. 1934)
6th » Thomas Kinkade, American painter (b. 1958)
6th » Fang Lizhi, Chinese astrophysicist and academic (b. 1936)
6th » Michael Sands (media) or Michael Sands, American model, actor, and publicist (b. 1945)
6th » Sheila Scotter, Australian fashion designer and journalist (b. 1920)
6th » Reed Whittemore, American poet and critic (b. 1919)
7th » Steven Kanumba Tanzanian actor and director (b. 1984)
7th » Satsue Mito, Japanese zoologist and educator (b. 1914)
7th » Ignatius Moses I Daoud, Syrian cardinal (b. 1930)
7th » David E. Pergrin, American colonel and engineer (b. 1917)
7th » Bashir Ahmed Qureshi, Pakistani politician (b. 1959)
7th » Miss Read, English author (b. 1913)
7th » Mike Wallace, American journalist, actor, and game show host (b. 1918)