December 20, 2021 (2021-12-20) (Monday)
Armed conflicts and attacks
Disasters and accidents
Health and environment
- COVID-19 pandemic
- COVID-19 pandemic in Asia
- COVID-19 pandemic in Europe
- COVID-19 pandemic in France, COVID-19 vaccination in France
- COVID-19 pandemic in Germany, Travel during the COVID-19 pandemic
- Germany bans all travel from the United Kingdom and imposes a mandatory 14-day quarantine and proof of a negative PCR test from the previous 48 hours for German residents and citizens returning from the UK, amid the spread of the Omicron variant in Britain. (Euronews)
- COVID-19 pandemic in the United Kingdom
- The United Kingdom ends its travel ban on Angola, Botswana, Eswatini, Lesotho, Malawi, Mozambique, Namibia, Nigeria, South Africa, Zambia, and Zimbabwe. (Times of India)
- European Union response to the COVID-19 pandemic
- COVID-19 pandemic in North America
- COVID-19 pandemic in South America
International relations
Law and crime
Politics and elections