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The Deepwater Horizon oil rig in the Gulf of Mexico explodes
The Deepwater Horizon oil rig in the Gulf of Mexico explodes, spilling millions of gallons of oil into the sea. The spill becomes the worst oil spill in American history. -
The Republicans retake the house of Representatives
In the 2010 midterm elections, the Republicans retake the House of Representatives as the Democrats lose 63 seats. -
Same-sex marriage is legalized
Same-sex marriage is legalized in all 50 US states. -
Donald Trump becomes the 45th President
Donald Trump becomes the 45th President, Mike Pence becomes Vice President. Trump is the first person without prior military or government service to hold the office.