• Russian military intervention in Ukraine
  • Ukraine's Joint Forces Operation says Russian-led militants have mounted 43 attacks on Ukrainian troops in Donbas in the past 24 hours, using artillery systems and 120mm and 82mm mortars 10 times, with no casualties among the Ukrainian servicemen. According to intelligence data, two militants are killed and three others wounded. (UNIAN)

• Wedding of Prince Harry and Meghan Markle
  • The wedding of Prince Harry and Meghan Markle takes place at St George's Chapel, Windsor Castle. They are given the titles the Duke and Duchess of Sussex. (BBC)

• 2018 China–United States trade dispute
  • The United States and China say through a joint statement that they will not impose new tariffs on each other after reaching an initial agreement on the trade framework. (CNN)

• Human rights in Saudi Arabia
  • Women's rights in Saudi Arabia
    • The state security of Saudi Arabia arrests seven women's rights activists, whom the pro-government media presented as "traitors to the fatherland," for allegedly working with foreign entities. These arrests take place a little more than a month before the driving ban for women is lifted. (The Independent)

• Antireligious campaigns in China, Freedom of religion in China
  • The Islamic Association of China, a government-affiliated and the country's top Islamic regulatory body, announces through a letter on its website that all mosques should raise the national flag; the letter comes in light of the country's newly revised Regulations on Religious Affairs which intensifies punishments for unsanctioned religious activities and increases state supervision of religion. (The Times of India)
• French Polynesian legislative election, 2018
  • Edouard Fritch is re-elected to a second term as President of French Polynesia following the victory by his Tapura Huiraatira party in the general election. Fritch's Tapura Huiraatira won 39 of the 57 seats in the Assembly of French Polynesia. (Radio New Zealand International)
• Iraqi parliamentary election, 2018
  • The electoral commission announces the results of the May 12 elections. Muqtada al-Sadr's list wins most seats, followed by Hadi al-Amiri and Haider al-Abadi's groups. (Reuters)
• 2017–18 Spanish constitutional crisis
  • New President of the Generalitat of Catalonia, Quim Torra, forms a new regional government, including the dismissed and imprisoned members Jordi Turull and Josep Rull, and "self-exiled" dismissed members Lluís Puig and Toni Comín. (El Periódico)

• 2018 DFB-Pokal Final
  • Eintracht Frankfurt beat Bayern Munich 3–1 at Olympiastadion to win the 75th edition of the DFB-Pokal. (ESPN)
• 2018 FA Cup Final
  • Chelsea beat Manchester United 1–0 at Wembley to win the 137th edition of the FA Cup. (BBC Sport)
• 2018 Preakness Stakes
  • Justify wins the second leg of the Triple Crown, the Preakness Stakes, in 1:55.93. (ESPN)