今年10月9日是第十九个“世界邮政日”。1874年的10月9日,22个国家的代表在瑞士伯尔尼签署了《邮政总联盟条约》,宣告邮政总联盟成立。1878年,这个联盟改名为“万国邮政联盟”(简称“万国邮联”)。1948年,它成为联合国的一个专门机构。到现在,它已有166个会员国,也就是说,几乎世界上所有国家都加入了这个组织。我国是在1914年3月1日加入该组织的,1972年4月13日恢复了合法 October 9 this year is the 19th “World Post Day.” On October 9, 1874, representatives of 22 countries signed the General Postal Union Treaty in Berne, Switzerland, announcing the establishment of the General Postal Union. In 1878, the alliance was renamed the “Universal Postal Union” (“the UPU” for short). In 1948, it became a specialized agency of the United Nations. To date, it has 166 member states, which means that almost all countries in the world have joined the organization. My country joined the organization on March 1, 1914, and returned to law on April 13, 1972