2023 in the United States

Events from the year 2023 in the United States.

• January 21 – In a mass shooting at a Chinese New Year celebration, a gunman kills eleven people in Monterey Park, California.^[1] Two days later, seven others would be killed in another mass shooting in Half Moon Bay, California.^[2]

• February 3 – A train carrying hazardous materials runs off the tracks in East Palestine, Ohio. A bunch of train cars burned for more than two days, and then emergency crews did a controlled burn of more cars. The fires released hydrogen chloride and phosgene into the atmosphere.^[3]
• February 4 – The U.S. Government shoots down a Chinese spy balloon in U.S. territorial waters in the Atlantic Ocean off South Carolina.^[4][5]

• March 10 – Silicon Valley Bank, the 16th largest bank in the United States, fails, creating then the largest bank failure since the 2008 financial crisis, affecting companies around the world.^[6][7]
• March 27 – A trans man shoots dead six people at an elementary school in Nashville, Tennessee.^[8]

• April 20 – SpaceX's Starship rocket, the largest and most powerful rocket ever built, is launched during a flight test from a base in Boca Chica, Texas. It explodes four minutes after launch.^[9]

• May 1 – 2023 banking crisis: San Francisco-based First Republic Bank fails and is auctioned off by the US FDIC to JPMorgan Chase for $10.7 billion. The collapse surpasses March's collapse of Silicon Valley Bank to become the second largest in US history.^[10]

• August 8 – Wildfires begin in Hawaii, killing over 115 people.

• October 25 – 2023 Lewiston shootings in Lewiston, Maine.