Universal Postal Union (UPU) and UPU CongressUniversal Postal Union is an inter-governmental international organization. It was founded on October 9, 1874, and has since been designated as World...
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Universal Postal Union (UPU) and UPU CongressUniversal Postal Union is an inter-governmental international organization. It was founded on October 9, 1874, and has since been designated as World...