One of these facts is fake.

• Split washers don't work!

• Thousands of people are Accidental Americans, children or grandchildren of American citizens, or born in the U.S. but raised abroad. The United States and Eritrea are the only countries that require taxes of citizens regardless of residency. London mayor Boris Johnson, born in Manhattan, was unable to board a flight transiting the U.S. because he did not have an American passport, and he later had to pay U.S. capital gains taxes before finally renouncing his U.S. citizenship. U.S. Citizens Who Don’t Know It (PDF) explains some of the legal details and consequences.

• Concorde once flew to Maiquetía Airport in Caracas. Demonstration flight

• In the 1900's there was a series of races to determine if a man could outrun a horse over long distances. Ultrarunning History: Man vs. Horse

• TV pickup is the British term for a sudden spike in electrical demand, which threatens the stability of the power grid. The National Grid Energy Balancing Team prepares for anticipated breaks in football matches, when viewers use the loo (synchronized flushing causes a surge at pumping stations). The largest pickup, of 3000 MW, occurred when people returned from watching the 1999 total solar eclipse.

• Micrometeorites vary in size from microscopic to 2 mm, and fall constantly from the sky. The gold and platinum content in the micrometeorites that fall on a typical house roof in one year is worth about $70.

• Instant coffee is the most energy efficient. Drip filter coffee is the worst, with capsule preparation in the middle.

• Aluminium has a bad reputation for household wiring, mainly due to risks from improper installation, such as that which led to the 1977 Beverly Hills Supper Club fire. "Utility companies have used aluminum wire for electrical transmission in power grids since around the late 1800s to the early 1900s. It has cost and weight advantages over copper wires. Aluminum wire in power transmission and distribution applications is still the preferred material today."

• Storskog is the only legal land border crossing between Norway and Russia. Norway prohibits passage by automobile drivers without proper papers. Russia prohibits walking across without documents. So in 2015, about five thousand Syrian refugees rode bicycles through, taking advantage of the legal loophole.

• The Dōjima Rice Exchange, first established in 1697, is considered the first futures exchange. Private Ordering at the World's First Futures Exchange (PDF)