The following is events that happened in 2020.
January
1 Croatia begins its term in the presidency of the European Union.
- Flash floods struck Jakarta, Indonesia, killing 66 people in a worst flooding in over a decade.
- 2 – The Royal Australian Air Force and Navy are deployed to New South Wales and Victoria to assist mass evacuation efforts amidst the 2019–20 Australian bushfire season.
- 3 – A United States drone strike at Baghdad International Airport kills ten people, including the intended target, Iranian general Qasem Soleimani, and Iraqi paramilitary leader Abu Mahdi al-Muhandis.
- 5
- Second Libyan Civil War: President Recep Tayyip Erdoğan announces the deployment of Turkish troops to Libya on behalf of the United Nations-backed Government of National Accord.
- 2019–20 Croatian presidential election: The second round of voting is held and Zoran Milanović of the Social Democratic Party of Croatia defeats incumbent president Kolinda Grabar-Kitarović.
- 31 - OverSimplified uploads the American Civil War series.
May
- 4 - OverSimplified uploads Henry VIII (episode).
August
- 17 - OverSimplified uploads The Russian Revolution series.
December
- 16 - OverSimplified uploads Prohibition.