World Post Day 2025. World post day is celebrated in remembrance of the foundation of the universal postal union (upu) in 1874 in bern, switzerland. 5 june is world environment day established by the united nations general assembly in 1973, world environment day is the largest international event focused on the.


World Post Day 2025

Calendar with 2025 celebrations and holidays of india. World post day is october 9, and we are thrilled to celebrate this day by sending letters,.

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