1. Greater London's population was estimated to be 8.63 million in January 2015, the highest level since 1939.
  2. London ranked as the 6th most expensive city in which to live in 2016.
  3. London attracted over 16 million international visitors in 2014, making it the world's most visited city.
  4. London's "Big Ben" is not the tower. It's the bell inside it.
  5. London was founded by the Romans, who named it Londinium.
  6. Traffic in central London moves at the same speed as horse-drawn carriages a century ago.
  7. In 1891, London built a structure designed to surpass the Eiffel Tower in height. It was unsteady, never completed and demolished in 1907.
  8. London lost nearly a third of its population during the Black Death in the mid-14th century.
  9. In London,
    it is illegal
    to die
    in the Houses of Parliament.
  10. In London in 1916, Harrods was selling a kit described as "A Welcome Present for Friends at the Front" containing cocaine, morphine, syringes and needles.
  11. Despite its name, more than half of the London's Underground network in fact runs above ground.
  12. 40%
    of Greater London is green space.
  13. London has 72 billionaires, the most of any city.
  14. Over 300 languages are spoken in London, one of the most diverse cities in the world.
  15. During London's "Great Smog" of 1952, between 4,000 and 12,000 people died in a few days due to air pollution.
  16. If London's Big Ben was built today, it would cost about US$222,000.
  17. There's a Cereal Cafe in London where you can eat hundreds of different kinds of cereals from around the world.
  18. During the outbreak of WW2, London Zoo killed all their venomous animals in case the zoo was bombed and the animals escaped.
  19. London's Big Ben clock tower is leaning much like the Tower of Pisa.
  20. London only reached its pre-WW2 population level in January, 2015.
  21. 20%
    of all women in London during the 1700s were prostitutes.
  22. About half a million mice live in the London Underground.
  23. To be a London black cab driver, one is expected to know over 25,000 roads and 50,000 points of interest and pass a test called "The Knowledge."
  24. Despite its reputation as being a rainy city, London receives less precipitation in a year than Rome, Toulouse, Naples and even Sydney in Australia, but those are spread over more days.
  25. During the 18th century, you could pay your admission ticket to the zoo in London by bringing a cat or a dog to feed the lions.
  26. Today's British accent first appeared among London's upper class around the time of the American Revolution. Before that, the British accent was similar to that of Americans.
  27. In 2012, London became the first city to host the modern Summer Olympic Games three times.
  28. In the 16th century, a London law forbade wife beating after 9:00 P.M., but only because the noise disturbed people's sleep.
  29. In Victorian London, people were paid to collect dog poop. It was used to tan leather.
  30. About one-fifth of all the gold held by the world's governments, worth about US$248 billion, is stored beneath the streets of London.
  31. In 2014, a single parking space in London was sold for £400,000.
  32. The world's first traffic signal was short lived. Installed in London in 1868, it exploded less than a month later, injuring its policeman operator.
  33. The London Underground was originally intended to terminate in Paris.
  34. London has more Indian restaurants than Mumbai or Delhi.
  35. London is still paying rent to the Queen on a property leased in 1211. Horseshoes, 61 nails, an axe and billhook are part of the rent.
  36. Despite being a 177 m (581 ft) tall structure in the middle of central London, the location of the Post Office Tower was a national secret for years.
  37. London's after-hours economy generates £26.3bn ($32.3bn) every year.
  38. Every week, London Underground escalators travel the equivalent of twice around the world.
  39. 10,000 foxes live in London.
  40. 70% of all train journeys in England start or finish in London.
  41. There are so many trees in London, it can be classified as a forest, according to a UN definition.
  42. Young Londoners spend almost 60% of their income on rent alone.
  43. Money left on unused London Transport's Oyster cards is increasing by £1 million a month and now stands at more than £235 million.
  44. According to research by University College, London, such is the concentration of dust particles, that travelling on London's Underground for 40 minutes is the equivalent to smoking two cigarettes.
  45. It is believed that London's Big Ben was named after Sir Benjamin Hall, First Commissioner for Works, whose name is inscribed on the bell. Others attest that the bell was named after Ben Caunt, a champion heavyweight boxer.
  46. The London Bridge built in the 1830s was dismantled in 1967 and relocated to Arizona.
  47. The London Underground trains were originally steam powered.
  48. New York City is actually rainier than London.
  49. In 1986, London's bakers apologised for the Great Fire of London, 320 years after it happened.
  50. 20 minutes spent on the London Underground's Northern Line is as bad for your lungs as smoking a cigarette.
  51. Tokyo is the city with the most millionaires in the world but London has the most multi-millionaires and New York the most billionaires.
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