White House Correspondents' Association The 2017 White House Correspondents' Dinner is held while Donald Trump decides not to attend, becoming the first incumbent president to do so since Ronald Reagan, who did not attend the dinner while recovering from a 1981 assassination attempt.
Brexit European Union leaders approve negotiating guidelines that seek to secure "sufficient progress" on the rights of European Union expatriates living in the United Kingdom, on the financial terms of the separation and on a "soft border" between the Republic of Ireland and Northern Ireland, before committing to talk about a new free trade deal.
University of Puerto Rico strikes, 2017 Strikes continue in the University of Puerto Rico because of university budget cuts from the Puerto Rico Oversight Board (PROMESA).
People's Climate March Tens of thousands of people protest in Washington, D.C. to bring awareness to climate change.
2017 block of Wikipedia in Turkey Monitoring group Turkey Blocks reports that a provisional administrative order blocks access to all language editions of Wikipedia in Turkey.
April 2017 North American storm complex At least 7 people are killed in the US states of Missouri, Arkansas and Texas due to tornadoes and floods.
2017 Aerogaviota Antonov An-26 crash An Aerogaviota-operated Antonov An-26 plane crashes in western Artemisa Province, Cuba, killing eight troops on board.
Landslide At least 24 people are killed by a landslide in the small village of Ayu in southern Kyrgyzstan.
North Korea and weapons of mass destruction The U.S. Pacific Command and South Korean defense officials report that a North Korean missile was fired in the early morning, but quickly failed and did not travel beyond North Korea, echoing a similar failed attempt by North Korea thirteen days ago.