What Was the Biggest Wildfire in World History?

Wildfires have been a part of the natural ecosystem for centuries, but in recent times, they have become more frequent and intense due to climate change. While wildfires can be beneficial to some ecosystems, they can also cause widespread damage to forests, homes, and infrastructure. In this article, we’ll take a look at the biggest wildfire in world history.

What is a Wildfire?

A wildfire is an uncontrolled fire that occurs in a natural area such as a forest, grassland or prairie. They are often caused by lightning strikes or human activities such as campfires, smoking or arson. Wildfires require three things to burn – fuel (such as trees and vegetation), oxygen and heat.

The Biggest Wildfire in World History

The biggest wildfire in world history occurred in 2019-2020 in Australia. The fire season began in late July 2019 and continued until February 2020. The fires burned more than 46 million acres of land across the country, including parts of New South Wales, Victoria, South Australia and Queensland.

Causes of the Australian Wildfires

The Australian wildfires were caused by a combination of factors including droughts caused by climate change, high temperatures and strong winds. The dry conditions made it easier for fires to start and spread quickly.

Impact of the Australian Wildfires

The Australian wildfires had a devastating impact on the environment and wildlife. An estimated 1 billion animals were killed or displaced by the fires.

Over 5,900 buildings were destroyed or damaged by the fires including homes and businesses. The smoke from the wildfires also had an impact on air quality across Australia.

Fighting the Australian Wildfires

Firefighters from around Australia were deployed to fight the wildfires along with assistance from other countries including New Zealand, Canada and the United States. The Australian Defence Force was also called in to help with evacuations and firefighting efforts.


The Australian wildfires of 2019-2020 were the biggest wildfire in world history, and they serve as a reminder of the devastating impact that climate change can have on our planet. It is important that we take action to reduce our carbon footprint and work towards a sustainable future to prevent such incidents from occurring again.