Louisville is the biggest city in the Commonwealth of Kentucky. It's also the 29th biggest city in the United States and has a storied history dating all the way back to 1778 when it was founded by American Revolution War officer George Rogers Clark. Named after King Louis XVI of France, the city boasts an impressive skyline and some fascinating sites and landmarks like the Cathedral of the Assumption, the Louisville Slugger Museum, the Louisville Zoo, and the world-famous Churchill Downs horse racing track. It's a great city to visit, and if you're flying into Louisville, Kentucky, you'll be landing at airport code SDF. Airport code SDF is used to designate Louisville International Airport.
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