Botswana: Mokgweetsi Masisi, hitherto vice president, is sworn in as president, Ian Khama having left office on March 31 (reaching the constitutional maximum of 10 years). On April 4 Slumber Tsogwane is endorsed by parliament (35-1) and sworn in as vice president and a new cabinet is announced including Vincent T. Seretse as international affairs minister while Shaw Kgathi remains as defense and security minister and Kenneth Matambo as finance minister.
Costa Rica: In the presidential runoff, Carlos Alvarado wins about 61% of the vote and Fabricio Alvarado about 39%. Turnout is about 66%.
Guatemala: Former president (1982-83) Efraín Ríos Montt dies.
Russia: The governor of Kemerovo oblast, Aman Tuleyev, resigns. President Vladimir Putin appoints Sergey Tsivilyov as acting governor until elections.
San Marino: Stefano Palmieri (Future Republic) and Matteo Ciacci (Civic10) take office as captains-regent.
United States: John Sullivan becomes acting secretary of state.
Ethiopia: Abiy Ahmed is appointed and sworn in as prime minister. On April 19 he names Motuma Mekassa as defense minister; Foreign Minister Workneh Gebeyehu and Finance Minister Abraham Tekeste are retained.
Peru: César Villanueva is sworn in as prime minister with a government including Néstor Popolizio as foreign minister, José Huerta as defense minister, Mauro Medina as interior minister, and David Tuesta as finance minister.
Australia: Kim Beazley is appointed governor of Western Australia (to be sworn in May 1).
United States: In mayoral elections in Anchorage, incumbent Ethan Berkowitz wins 55.5% of the vote and Rebecca Logan 37.1%. Turnout is 35.6%.
Sierra Leone: Julius Maada Bio is sworn in as president. On April 12 he names a first set of cabinet ministers including Edward A. Soluku for internal affairs and Jacob Jusu Saffa for finance.
Sri Lanka: Prime Minister Ranil Wickremesinghe survives a no-confidence motion in parliament, which is rejected 122-76.
Brazil: Finance Minister Henrique Meirelles announces his resignation. He is to be replaced by Eduardo Guardia. Cida Borghetti takes office as governor of Paraná, Daniel Pereira as governor of Rondônia, Eduardo Pinho Moreira as governor of Santa Catarina, and Márcio França as governor of São Paulo. On April 7 José Eliton de Figueiredo Júnior takes office as governor of Goiás and Belivaldo Chagas Silva as governor of Sergipe.
Rwanda: In a cabinet reshuffle, Uzziel Ndagijimana is appointed finance minister.
Guernsey: Former lieutenant governor (1980-85) Sir Peter Le Cheminant dies.
Hungary: In parliamentary elections, the Fidesz Hungarian Civic Union-Christian Democratic People's Party alliance wins 48.6% of the vote (133 of 199 seats), Jobbik 19.4% (26), the Hungarian Socialist Party-Dialogue for Hungary alliance 12.3% (20), Politics Can Be Different 6.9% (8), and the Democratic Coalition 5.6% (9). Turnout is 67.1%. On April 17 President János Áder asks Viktor Orbán to form a new government.
Japan: In gubernatorial elections in Kyoto, Takatoshi Nishiwaki wins 55.9% of the vote and Kazuhito Fukuyama 44.1%. Turnout is 35.2%. Nishiwaki takes office April 16.
Armenia: Armen Sarkisyan takes office as president. The government of Prime Minister Karen Karapetyan resigns. On April 17 Serzh Sarkisyan is elected prime minister (77-17). On April 18, Eduard Nalbandyan is reappointed as foreign minister and Vigen Sarkisyan as defense minister.
Switzerland: Claudio Zali becomes president of the Council of State of Ticino.
United States: David Holt is sworn in as mayor of Oklahoma City.
Azerbaijan: In presidential elections, incumbent Ilham Aliyev wins about 86% of the vote. Turnout is about 74%.
Macedonia: The government of Prime Minister Zoran Zaev survives a no-confidence motion in parliament, which is rejected 62-40.
Niger: Foreign Minister Ibrahim Yacouba resigns. He is replaced by Kalla Ankourao.
Tonga: Internal Affairs Minister 'Akosita Lavulavu is dismissed. Deputy Prime Minister Semisi Sika takes on the portfolio until a successor is named.
Argentina: Former governor of San Juan (1971-73, 1987-91) Carlos Enrique Gómez Centurión dies.
Sri Lanka: The following new governors are sworn in: Reginald Cooray (Central), M.P. Jayasinghe (North Central), K.C. Logeswaran (North Western), Niluka Ekanayake (Sabaragamuwa), Marshal Perera (Southern), P.B. Dissanayake (Uva), and Hemakumara Nanayakkara (Western). However, on April 13 Cooray is again sworn in to his previous position as governor of Northern province, and Dissanayake as governor of Central province (but to remain acting governor of Uva).
Kosovo: Bejtush Gashi is appointed as interior minister.
Guinea-Bissau: President José Mário Vaz announces that he will, on April 17, appoint Aristides Gomes as prime minister. He actually does so on April 16.
Montenegro: In presidential elections, Milo Djukanovic (Democratic Party of Socialists) wins about 54% of the vote, Mladen Bojanic (independent) about 33%, and Draginja Vuksanovic (Social Democratic Party) about 8%. Turnout is about 64%.
Argentina: Former governor of Córdoba (1976-79) Carlos Bernardo Chasseing dies.
Slovakia: Interior Minister Tomás Drucker resigns.
Cuba: The National Assembly approves Miguel Díaz-Canel as president of the Council of State and of the Council of Ministers.
Kyrgyzstan: Prime Minister Sapar Isakov loses a no-confidence vote in parliament (101-5) and resigns.