These events dominated news headlines, influenced government policies, and forever changed the way we see the world. Welcome to WatchMojo, and today we’re looking at the most impactful event of each year across the 21st century. Our countdown of the most historic events of each year includes 9/11, the Founding of Facebook, the Fukushima Earthquake & Nuclear Disaster, Brexit, Trump, & the Rise of RightWing Populism, the Russian Invasion of Ukraine, and more! Filtering an entire year into a single worlddefining event is an impossible task. Were there major historical events that didn’t make our list? Let us know in the comments below!

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