Following the First World War, a number of countries, each operating independently, organized their own aerial postal services. Regular intercontinental flights consisted of a series of short flights, since long-distance flying was not yet possible.
Canadian postage stamp commemorating the centenary of the Universal Postal Union. Canadian Postal Museum, Scott 648
Debates and controversies centred on negotiations over rights of way and landing rights (for supplies): there was a growing need for international guidelines that would apply to all countries. The Universal Postal Union organized a series of conferences and meetings in order to pave the way for such international cooperation.
Date Created: February 12, 2001 | Last Updated: March 31, 2010