Question

In which year was the International Meridian Conference held in Washington, USA?

• A. 1884

Answer 1

The correct option is A 1884
The International Meridian Conference was held in Washington, USA, on 1 October, 1884. One of the aims of this conference was to fix an origin longitude, just like the origin latitude (Equator). In this conference, it was decided that the longitude at Greenwich, London, would be chosen as the Prime Meridian.