Nineteen-year-old Belgian-British pilot Zara Rutherford returns to Kortrijk, Belgium, to complete her five-month circumnavigation, becoming the youngest female pilot to fly solo around the world.
Belgium reinstates mandatory face mask policy for secondary schoolchildren and their teachers in Wallonia.
Three people, including two police officers, are killed in Liège, Belgium, and four police officers are injured in a shooting. The gunman took a woman hostage, but was later killed by police.
Catherine De Bolle from Belgium becomes the first woman to lead Europol.
Secessionist Catalan leader Carles Puigdemont surrenders to Belgian police.
NATO foreign ministers, meeting at NATO headquarters in Brussels, Belgium, agree to extend the alliance's Resolute Support Mission, that trains, advises and assists Afghanistan's military beyond 2016.
Three explosions in the Brussels Airport and Maalbeek metro station kill at least 34 people and wound at least 170 more, according to Belgian media. Belgian federal Prosecutor Frederic Van Leeuw cautions it is too soon to know exactly how many people died in the bombings. The Islamic State of Iraq and the Levant claims responsibility.
Today's European Union summit with Turkish Prime Minister Ahmet Davutoğlu in Brussels, Belgium, will discuss ways to stanch the flow of European-bound migrants.
Police in France, Belgium and Switzerland arrest more than two dozen people in connection with the Brussels Airport diamond heist.
At least 20 people are injured after a five-storey apartment building collapses following a gas explosion in Liège, Belgium.