The Treaty of Lisbon entered into force in the European Union. Date: December 1, 2009 Read more on Wikipedia → 📅 Other events on December 1 📅 Events on this day in 2009 📅 On This Day (Today)

The Alma-Ata Metro was opened. Date: December 1, 2011 Read more on Wikipedia → 📅 Other events on December 1 📅 Events on this day in 2011 📅 On This Day (Today)

The Oulu Police informed the public about the first offence of the much larger child sexual exploitation in Oulu, Finland. Date: December 1, 2018 Read more on Wikipedia → 📅 Other events on December 1 📅 Events on this day in 2018 📅 On This Day (Today)

The outbreak of coronavirus infection begins in Wuhan. Date: December 1, 2019 Read more on Wikipedia → 📅 Other events on December 1 📅 Events on this day in 2019 📅 On This Day (Today)

Arsenal Women 11–1 Bristol City Women breaks the record for most goals scored in a FA Women's Super League match, with Vivianne Miedema involved in ten of the eleven Arsenal goals. Date: December 1, 2019 Read more on Wikipedia → 📅 Other events on December 1 📅 Events on this day in 2019 📅 On…

The Arecibo Telescope collapses. Date: December 1, 2020 Read more on Wikipedia → 📅 Other events on December 1 📅 Events on this day in 2020 📅 On This Day (Today)

Costa Rica signs the Buenos Aires Convention, a copyright treaty. Date: November 30, 1916 Read more on Wikipedia → 📅 Other events on November 30 📅 Events on this day in 1916 📅 On This Day (Today)

In London, the Crystal Palace is destroyed by fire. Date: November 30, 1936 Read more on Wikipedia → 📅 Other events on November 30 📅 Events on this day in 1936 📅 On This Day (Today)

World War II: The Soviet Red Army crosses the Finnish border in several places, bombing Helsinki and several other Finnish cities, starting the Winter War. Date: November 30, 1939 Read more on Wikipedia → 📅 Other events on November 30 📅 Events on this day in 1939 📅 On This Day (Today)

World War II: Signing of the Sino-Japanese Treaty of 1940 between the Empire of Japan and the newly formed Wang Jingwei-led Reorganized National Government of the Republic of China. This treaty was considered so unfair to China that it was compared to the Twenty-One Demands. Date: November 30, 1940 Read more on Wikipedia → 📅…