<Li> First President to visit the New York Stock Exchange, (on March 28, 1985) while in office . </Li> <Li> First President to address a joint sitting of the British Parliament (House of Commons and House of Lords) on June 8, 1982 while in office . </Li> <Li> First President to invoke Section 3 of the Twenty - fifth Amendment to the United States Constitution . </Li> <Li> First President to attend and open an Olympic Games (the 1984 Summer Olympics in Los Angeles) while in office . </Li>

Write the name of first president of usa