Here is a review of some important events in world history in 2020:
COVID-19 pandemic: Since its outbreak in early 2020, the COVID-19 pandemic has swept across the globe, causing significant impacts on the global economy, politics, and society.
US presidential election: On November 3, 2020, the US presidential election was held, and Joe Biden was ultimately elected as the 46th President of the United States.
Black Lives Matter protests: Starting on May 26, 2020, large-scale demonstrations and protests known as the "Black Lives Matter" protests erupted in many cities, triggered by the death of George Floyd in police custody in Minnesota, USA.
Australian bushfires: In 2020, extreme weather conditions caused by high temperatures and drought led to months-long bushfires in Australia, resulting in extensive damage.
Lebanon corruption crisis and Beirut explosion: On August 4, 2020, a devastating explosion occurred at the port of Beirut, the capital of Lebanon, causing hundreds of deaths and thousands of injuries. This event further deepened the already severe economic and political crisis in Lebanon.
These are some important events in world history in 2020, which will have long-term impacts on the future world.