Postpone the election The President of the United States Barack Obama officially secures the nomination of the Democratic Party with wins in the Democratic Party primaries in Wisconsin, Maryland and Washington DC.
Voters in the US states of Maryland and Wisconsin as well as Washington, D.C. go to the polls for Republican primaries with Mitt Romney projected as the winner in all three contests.
New York Police Department The New York Police Department orders an investigation into the death of French academic Richard Descoings who was found nude in his hotel room.
Oikos University shooting A memorial service is held for the seven victims of the Oikos University shooting in the US city of Oakland, California.
Father Kevin Reynolds Following last year's defamation of Father Kevin Reynolds by RTÉ, the Irish state-controlled broadcaster's head of current affairs Ed Mulhall retires, Ken O'Shea resigns from "Prime Time" and a related programme, "Prime Time Investigates" is axed.
Dallas, Texas Tornadoes impact the Dallas, Texas area as part of the tornado outbreak of April 3, 2012.
Tropical Depression 17F and Tropical Cyclone Daphne Severe floods caused by recent storms associated with Tropical Depression 17F and Tropical Cyclone Daphne kill at least five people in Fiji and leave 8,000 people in evacuation centres.
James Murdoch James Murdoch resigns as Chairman of BSkyB in the wake of the News International phone hacking scandal.
Mali Sanctions on Mali by the Economic Community of West African States imposed after the recent coup d'état result in shortages in the country.
Spain Spanish joblessness levels hit a record high yet again, with youth unemployment running at 50%.
Arab Spring Turkish prime minister Recep Tayyip Erdoğan accuses the United Nations Security Council of standing by with its "hands and arms tied" while the Syrian people are killed every day.
Thousands of people attend demonstrations in Mauritania calling for the resignation of President Mohamed Ould Abdelaziz.
2011–2012 Bahraini uprising: Fears are expressed for the life of Abdulhadi Khawaja, one of the several opposition leaders sentenced to life imprisonment.