<Li> 25 April 1935: First telephone call around the world by wire and radio . </Li> <Li> 1937: The Western Electric type 302 telephone becomes available for service in the United States . </Li> <Li> 8 December 1937: Opening of fourth transcontinental telephone line . </Li> <Li> 1941: Multi-frequency dialing introduced for operators in Baltimore, Maryland </Li>

Where was the first telephone call made from