The baseball cap was initially not accepted by people's lives and was considered just a special item for athletes, and in 1839, the first baseball game in Gupas Town, New York, was held in the United States. In the 1860, the United States began to show professional baseball players. In 1871, the United States set up a National professional baseball player organization, which was renamed the American Baseball Federation in 1876. Another National professional baseball Organization was established in 1881, the later "All-American professional Baseball Federation". The first championship of the two organizations was held in 1884, the World Baseball Championships.
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