Monaco: Pierre Dartout takes office as minister of state.
Papua New Guinea: In presidential elections in Bougainville held from August 12 to September 1, Ishmael Toroama wins with 61.4% of the vote against 38.6% for Simon Dumarinu after the final elimination of other candidates.
Thailand: Finance Minister Predee Daochai resigns.
French Polynesia: The resignation of the vice president and finance minister, Teva Rohfritsch, is accepted. On September 17 Tearii Alpha is appointed as vice president and Yvonnick Raffin as finance minister.
Syria: The new government of Prime Minister Hussein Arnous is sworn in.
Tunisia: The government of prime minister-designate Hichem Mechichi is approved by parliament (134-67) and sworn in.
Jamaica: In parliamentary elections, the Jamaica Labour Party wins 57.0% of the vote (48 of 63 seats) and the People's National Party 42.8% (15). Turnout is about 37%. On September 7 Prime Minister Andrew Holness is sworn in for a second term and reappoints Kamina Johnson Smith as foreign minister, Nigel Clarke as finance minister, and Horace Chang as national security minister; Holness retains the defense portfolio.
Libya: The suspended interior minister Fathi Bashagha is restored to his post.
Belgium: Egbert Lachaert and Conner Rousseau are named préformateurs. On September 17 the Chamber of Representatives votes (79-46) to extend the mandate of the government of Prime Minister Sophie Wilmès to October 1. On September 21 Lachaert and Rousseau offer their resignations but they are refused by the king. On September 23 the king names Paul Magnette and Alexander De Croo as formateurs.
Cook Islands: Former prime minister (1999) Joe Williams dies.
Nepal: Finance Minister Yubaraj Khatiwada resigns. Prime Minister K.P. Sharma Oli takes over the portfolio.
France: Former president of the Regional Council of Haute-Normandie (1992-98) Antoine Rufenacht dies.
United States: Former governor of New Hampshire (1993-97) Steve Merrill dies.
Yemen: Former foreign minister (1998-2001) and prime minister (2001-07) Abdul Qader Bajamal dies.
Peru: Parliament votes (65-36 with 24 abstentions) to start impeachment proceedings against President Martín Vizcarra. On September 15 parliament votes against the removal of Finance Minister María Antonieta Alva (73-46). On September 17 the Constitutional Court denies an appeal by the government to block the impeachment vote against Vizcarra, which is held on September 18, parliament rejecting his removal (78-32).
Australia: Former premier of New South Wales (1992-95) John Fahey dies.
Libya: The prime minister of the Tobruk-based government, Abdullah al-Thani, resigns.
Canada: In parliamentary elections in New Brunswick, the Progressive Conservative Party wins 39.3% of the vote (27 of 49 seats), the Liberal Party 34.4% (17), the Green Party 15.2% (3), and the People's Alliance of New Brunswick 9.2% (2). Turnout is 66.1%.
Japan: Yoshihide Suga is elected as president of the Liberal-Democratic Party. On September 16 he is elected (314 of 462 votes in the lower house and 142 of 240 in the upper) and sworn in as prime minister. Nobuo Kishi is to become defense minister and Ryota Takeda internal affairs minister.
Russia: Gennady Mitrofanov is appointed acting prime minister of Adygeya.
Mali: Former head of state (1968-91) Moussa Traoré dies.
French Southern and Antarctic Lands: Charles Giusti is appointed as administrator-superior.
Libya: The chairman of the Presidential Council and prime minister, Fayez al-Sarraj, announces his intention to step down by the end of October.
South Sudan: Athian Diing Athian is appointed to replace Salvatore Garang Mabiordit as finance minister. He is sworn in on September 18.
Somalia: President Mohamed Abdullahi Mohamed appoints Mohamed Hussein Roble as prime minister.
Canada: Former prime minister (1984) John Turner dies.
Nigeria: In gubernatorial elections in Edo, incumbent Godwin Obaseki (People's Democratic Party) wins 57.3% of the vote and Osagie Ize-Iyamu (All Progressives Congress) 41.6%. Turnout is 24.9%.
São Tomé and Príncipe: In a cabinet reshuffle, Edite Ten Juá is appointed foreign minister.
Slovenia: A no-confidence motion against Interior Minister Ales Hojs is defeated (43-38).
Italy: Results of elections of regional presidents held September 20-21:
Malaysia: Former chief minister of Terengganu (1974-99) Tan Sri Wan Mokhtar Ahmad dies.
- Campania: incumbent Vincenzo De Luca (centre-left) 69.5% of the vote, Stefano Caldoro (centre-right) 18.1%, Valeria Ciarambino (Five Star Movement) 9.9%; turnout 55.5%
- Liguria: incumbent Giovanni Toti (centre-right) 56.1% of the vote, Ferruccio Sansa (centre-left and Five Star Movement) 38.9%; turnout 53.5%
- Marche: Francesco Acquaroli (centre-right) 49.1% of the vote, Maurizio Mangialardi (centre-left) 37.3%, Gian Mario Mercorelli (Civic List) 8.6%; turnout 59.7%
- Puglia: incumbent Michele Emiliano (centre-left) 46.8% of the vote, Raffaele Fitto (centre-right) 38.9%, Antonella Laricchia (Five Star Movement) 11.1%; turnout 56.4%
- Toscana: Eugenio Giani (centre-left) 48.6% of the vote, Susanna Ceccardi (centre-right) 40.5%, Irene Galletti (Five Star Movement) 6.4%; turnout 62.6%
- Veneto: incumbent Luca Zaia (centre-right) 76.8% of the vote, Arturo Lorenzoni (centre-left) 15.7%, Enrico Cappelletti (Five Star Movement) 3.2%; turnout 61.1%
- Valle d'Aosta (parliamentary): Lega Salvini Vallée d'Aoste 23.9% of the vote (11 of 35 seats), Union Valdôtaine 15.8% (7), Civic Progressive Project 15.3% (7), Alliance Valdôtaine-Stella Alpina-Italia Viva 8.9% (4), Vallée d'Aoste Unie 8.1% (3), For the Autonomy 6.4% (3); turnout 70.5%.
Mali: Ba N'Daou is named interim president, with Assimi Goita as vice president.
Sweden: Former governor of Kronoberg (2002-06) Lars-Åke Lagrell dies.