On April 18, 1941, the United States Government announced the line of demarcation between the Eastern and Western Hemispheres to which the President had referred in his message of April 11. This line, drawn along the meridian of 26° West, became thereafter the virtual sea frontier of the USA. It included within its sphere all British territory in or near the American continent, Greenland,
pays: America
année: 1967
Yvert: 797c
neuf:
