Short answers, pulled from the story.
Thomas Jefferson served as vice president while John Adams held the presidency following the election of 1796. This outcome resulted from the original constitutional system where the runner-up automatically assumed the vice presidential role.
The Office of the Vice President was established in 1939 through the Reorganization Act under the Executive Office of President. Prior to this date, the office remained largely insignificant throughout much of the nation's history.
Kamala Harris holds the record for the most tie-breaking votes with a total of 33 such votes. She presided over a 50-50 split Senate during the 117th Congress which provided her key role in passing legislation.
John Tyler became vice president upon the death of William Henry Harrison just days into his term in 1841. He successfully asserted he had succeeded to the presidency rather than acting as one after both the Senate and House voted to acknowledge him as president.
Congress designated Number One Observatory Circle as the official residence in 1974 following eight years of stalled implementation after 1966 funding allocation. The three-story Queen Anne style mansion was built in 1893 on grounds of U.S. Naval Observatory.