Party like it's 2001

American Airlines bought Trans World Airlines in April 2001, consummating the deal on December 1st of that year. Twenty years later, the TWA livery appears at O'Hare:

(I actually love this stuff. Moar retro livery!)

If you take the Tube from Heathrow to central London, look closely at the tiling on the columns when the train stops at Hatton Cross station, and you'll see the old BOAC "Speedbird" logo.