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"On March 3, 1919, Willam E. Boeing (1881-1956) and Eddie Hubbard (1889-1928) deliver the first bag of international U.S. Air Mail. The men flew a Boeing-built C-700 seaplane for the demonstration trip from Vancouver, B.C., to Seattle’s Lake Union" http://www.historylink.org/essays/output.cfm?file_id=373
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