Transit of Mercury A transit of Mercury occurs, visible from Africa, the Americas, Europe and most of Asia.
Impeachment process against Dilma Rousseff Later Monday, Maranhão reverses his earlier decision to annul the Chamber of Deputies April 17 vote for impeachment.
Waldir Maranhão, the acting President of Brazil's Chamber of Deputies, says that the impeachment vote in that chamber should be annulled due to procedural irregularities and the voting process be held again. The Federal Senate is due to start voting on whether to impeach President Rousseff later this week.
Chancellor of Austria Austrian Chancellor Werner Faymann resigns after seven and a half years in office; says he lost the backing of his Social Democrats party.
Philippine general election, 2016 Filipino voters head to the polls for a presidential election with unofficial counts showing Davao City mayor Rodrigo Duterte with a commanding lead.
North Korea–United Kingdom relations Rupert Wingfield-Hayes, the BBC's Tokyo correspondent, was detained in North Korea before being expelled by the government for "speaking very ill of the system".
Taining County The death toll from yesterday's landslide in Taining County in China's Fujian province rises to 14 with 25 still missing,
Ranchi At least seven people are killed and 30 injured in a bus accident in Ranchi, the capital of the Indian state of Jharkhand.
Panama Papers The Panama Papers go online at the International Consortium of Investigative Journalists website.
Iraqi Civil War (2014–2017) The Pentagon announces the death of Islamic State of Iraq and Syria (ISIL) leader Abu Waheeb and three other militants in an airstrike near the town of Rutba, Iraq.
Somali Civil War (2009–present) A suicide car bomb targeting Mogadishu's traffic police headquarters kills at least four. Al-Shabaab claims responsibility.