
1855 - 1855 (0 years)
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Date |
Event(s) |
| 1 | 1855 | - 1855: John Snow, investigating London's piped water supply, showed graphically that cholera could be transmitted by water from a particular pump.
- 1855: End of Aberdeen's coalition government. Palmerston's first government comes to power
- 1855: Yale lock invented
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