Aten asteroid Binary Aten asteroid (66391) 1999 KW4 and its minor-planet moon make their closest-ever recorded flyby of Earth at 3.2 million miles away. The asteroid will approach even closer at 0.0155 AU (2,320,000 km) from Earth in 2036, and is the largest asteroid to approach Earth until (4953) 1990 MU in June 2027.
Ku Klux Klan Hundreds of counter-protesters show up and protest against an estimated nine attendees of a planned rally by a Ku Klux Klan-affiliated group in Dayton, Ohio.
2019 European Parliament election Citizens in Latvia, Malta, Slovakia and the French overseas territories head to the polls to vote in the latest European Parliament election. Additionally, voting in the Czech Republic continues for the second day.
Lake Mai-Ndombe A boat sinking on Lake Mai-Ndombe in western Democratic Republic of the Congo kills at least 45 people with 200 passengers still missing. The vessel was carrying more than 400 people, the majority of whom were teachers going to collect their salaries.
Tornadoes of 2019 Two people are killed and several are missing due to a tornado in the U.S. state of Oklahoma.
2019 Cannes Film Festival The South Korean film "Parasite" wins the 2019 Palme d'Or, the Cannes Film Festival's top prize.
Saudi Arabia–United States relations U.S. President Donald Trump bypasses Congress to approve the sale of billions of dollars' worth of weapons to Saudi Arabia, citing Iranian threats against the latter.