Wikipedia:Selected anniversaries/December 10
December 10: Constitution Day in Thailand (1932); Human Rights Day (1948).
- 1508 – The Papal States, France, Aragon and the Holy Roman Empire formed the League of Cambrai, an alliance against the Republic of Venice.
- 1868 – The first traffic lights were installed outside the Houses of Parliament in London, resembling railway signals with semaphore arms and red and green gas lamps for night use.
- 1901 – The first Nobel Prizes were awarded, on the anniversary of the 1896 death of their founder, Swedish chemist and industrialist Alfred Nobel.
- 1936 – Edward VIII (pictured) signed his instrument of abdication, becoming the only British monarch to voluntarily relinquish the throne.
- 1948 – The United Nations General Assembly adopted the Universal Declaration of Human Rights.
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