Upcoming Winter Olympic Games The United States announces a formal diplomatic boycott of the upcoming Winter Olympic Games in Beijing, China. The White House says that no official delegation will be sent to the Games due to concerns regarding China's human rights record.
Karl Nehammer Karl Nehammer is sworn in as the new Chancellor of Austria after the resignation of Alexander Schallenberg on December 2.
2021 Solomon Islands unrest Prime Minister Manasseh Sogavare survives a no-confidence vote in the National Parliament after his management of the riots.
Madagascar In Madagascar, twenty people, including two French nationals, are charged with crimes including criminal conspiracy, criminal association, rebellion against the president and possession of illegal weapons, for allegedly plotting to kill president Andry Rajoelina.
2021 Belarus–European Union border crisis Belarus bans airlines and imports of certain goods from the European Union and United Kingdom in retaliation for sanctions imposed on the country by Western nations.
COVID-19 pandemic Argentina reports its first case of the SARS-CoV-2 Omicron variant in a 38-year-old fully vaccinated person who traveled from South Africa on November 30.
Argentina approves the usage of the single-dose Sputnik Light COVID-19 vaccine as a standalone vaccine and as a booster dose.
Outgoing New York City Mayor Bill de Blasio announces a COVID-19 vaccine mandate for all private-sector employees, which will take effect on December 27.
Thailand reports its first case of the SARS-CoV-2 Omicron variant in a 38-year-old U.S. citizen who had travelled from Spain nearly a week ago.
Nepal reports its first two cases of the SARS-CoV-2 Omicron variant in a 71-year-old Nepali national and a 66-year-old foreigner.
It is announced that over 50% of India's eligible adult population is now fully vaccinated. India is targeting 100% COVID-19 adult vaccination by December 31.
Russia reports its first 10 cases of the SARS-CoV-2 Omicron variant in a group of citizens who travelled from southern Africa.
Italy begins to implement the Super Green Pass, which allows a person to enter theatres, cinemas, music venues, sports events, restaurants and bars if they are vaccinated or have recovered from COVID-19 within the past six months.
Croatia reports its first cases of the SARS-CoV-2 Omicron variant in two people who had not travelled abroad.
Tigray War The Ethiopian military says that they have recaptured the strategic Amharan towns of Dessie and Kombolcha from rebel forces.