Some significant events of 2020 include:

• COVID-19 pandemic and its widespread impact on health, economy, and daily life globally
• Black Lives Matter protests against police brutality and racial injustice following the killing of George Floyd
• US presidential election, with Joe Biden winning against incumbent Donald Trump
• Australian bushfires causing widespread damage to wildlife and property
• The explosion in Beirut, Lebanon in August
• The formation and early spread of the Delta variant of the SARS-CoV-2 virus
• The rollout of COVID-19 vaccines and their impact on controlling the pandemic