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Over 12 million European immigrants were processed at the facilities on Ellis Island
Ellis Island, in Upper New York Bay, was the gateway for over 12 million immigrants to the U.S. as the United States' busiest immigrant inspection station for over 60 years from 1892 until 1954. Ellis Island was opened January 1, 1892. The island was greatly expanded with land reclamation between 1892 and 1934. Hope I could Help :D! (Brainliest Please! :D)
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