December 10th, 1868
The first traffic lights are installed outside the Palace of Westminster in London. Resembling railway signals, they use semaphore arms and are illuminated at night by red and green gas lamps. event on December 10, 1868. Read about how to open files in Open File Database.
Events around December 10, 1868
| December 9th, 1868 | Birth | Fritz Haber, German chemist, Nobel Prize laureate (died in 1934) |
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