alleryIn which year was Greenwich chosen as the world's prime meridian?
A1851
B1884
C1911
D1984
Answer & Solution
Correct answer: B. 1884
1. An International Meridian Conference met in Washington, D.C.
2. In October 1884 delegates chose the Greenwich Meridian as the common zero.
3. 1851 is when Airy set the Greenwich line and 1984 the IERS meridian.
_Source: Wikipedia, Prime meridian, Prime meridian at Greenwich_
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