Matches in DBpedia 2015-10 for { ?s ?p "A telephone call, which for marketing purposes is claimed to be the first transcontinental telephone call, occurred on Jan. 25, 1915, a day timed to coincide with the Panama-Pacific Exposition celebrations. However, the transcontinental telephone line was first completed on June 27, 1914, and successfully first voice tested in July 1914. A 1998 U.S. postage stamp commemorates the completion of the line in 1914."@en }
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- First_transcontinental_telephone_call abstract "A telephone call, which for marketing purposes is claimed to be the first transcontinental telephone call, occurred on Jan. 25, 1915, a day timed to coincide with the Panama-Pacific Exposition celebrations. However, the transcontinental telephone line was first completed on June 27, 1914, and successfully first voice tested in July 1914. A 1998 U.S. postage stamp commemorates the completion of the line in 1914.".
- First_transcontinental_telephone_call comment "A telephone call, which for marketing purposes is claimed to be the first transcontinental telephone call, occurred on Jan. 25, 1915, a day timed to coincide with the Panama-Pacific Exposition celebrations. However, the transcontinental telephone line was first completed on June 27, 1914, and successfully first voice tested in July 1914. A 1998 U.S. postage stamp commemorates the completion of the line in 1914.".