Paris Postal Conference

Europe-United States [1863]

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July 1, 2026

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The Paris Postal Conference of May 1863 was a pivotal meeting where delegates from 15 European and American postal administrations convened to simplify international mail procedures. Before this conference, postal relations between countries were governed by numerous bilateral treaties, leading to complex accounting due to varied currencies and weights. This chaotic system resulted in high international postage rates. The conference established key principles that served as a model for future treaties, paving the way for a more streamlined global postal system. This reform was a crucial step toward the eventual establishment of the Universal Postal Union (UPU) in 1874.1

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postal system
International postal reform: the Universal Postal Union
…postal administrations met at the Paris Postal Conference, convening at the suggestion of the U.S. postmaster general. The conference established important general principles for the simplification of procedures, which were adopted as a model for subsequent bilateral treaties by the countries concerned.
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…postal administrations met at the Paris Postal Conference, convening at the suggestion of the U.S. postmaster general. The conference established important general principles for the simplification of procedures, which were adopted as a model for subsequent bilateral treaties by the countries concerned.
Read More