Feb. 4, 1943: Born in Philadelphia.
1964: Graduates from Hamilton College in Clinton, N.Y.
1965: Works as a speech assistant for Sen. Hugh Scott, R-Pa., who collects Oriental artifacts.
1966: Studies Chinese at the University of Pennsylvania and Seton Hall University, where he dates his professor's daughter, a former Miss China in the Miss Universe pageant.
1967: Moves to Hawaii and teaches Mandarin Chinese and English and coaches soccer at St. Louis High School, a Roman Catholic parochial school attached to Chaminade University.
1968: Takes leave from his teaching position to run for the Hawaii Board of Education. Wins, becoming the board's first Republican and the youngest person in statewide office at the time.
July 17, 1969: Marries Maureen Lahey, an outspoken feminist.
1970: Wins election to the Hawaiian House of Representatives by only 143 votes.
1972: While a director of Planned Parenthood of Hawaii, is re-elected to the House.
1974: Wins a seat in the Hawaii Senate, representing Manoa-Waikiki, becoming the youngest person ever elected to the Senate.
1977: Appointed by President Gerald R. Ford to a three-year-term on the National Advisory Council on Education of Economically Disadvantaged Children.
May 1978: Now married to Diane Erbe, wins the GOP endorsement for governor.
July 29, 1978: Drops out of the gubernatorial race, complaining he hasn't raised the $100,000 he needs. Announces a bid for a Honolulu City Council seat even though he does not live in the district.
July 31, 1978: Re-enters the gubernatorial race.
Nov. 7, 1978: Loses to incumbent Democrat George Ariyoshi while drawing 45 percent of the vote.
Nov. 2, 1979: After saying he wanted to return to the Senate, tells the Oahu League of Republican Women that he is considering running for mayor of Honolulu in 1980.
Dec. 13, 1979: Drops out of the mayoral race after another viable GOP candidate shows interest. Re-enters the Senate race.
March 20, 1980: At a Republican caucus, wins a delegate seat to the Republican National Convention in Detroit.
April 3, 1980: In a letter to Republicans, GOP Senate Leader Wadsworth Yee says Leopold cannot be trusted because he reneged on a political deal, betraying two other Republican candidates.
July 16, 1980: Makes a national splash, battling unsuccessfully on the Republican National Convention floor to keep the Equal Rights Amendment in the GOP platform.
Sept. 21, 1980: After GOP leaders endorsed his opponents, loses badly in an effort to regain his seat in the Hawaiian Senate.
Sept. 22, 1980: Tells the Honolulu Advertiser that he will remain in Hawaii and stay active in Republican Party politics.
1981: Moves to Maryland with his third wife, Leslie Peterson, a speech pathologist from Denver, and begins working for Loyola College as director of planned giving and later community relations.
March 1982: Moves to Anne Arundel County.
April 2, 1982: Tells the Baltimore Jewish Times that he plans to run against either state Sen. Jerome F. Connell or County Councilman Edward C.
July 5, 1982: Files for one of three District 31 House of Delegates seats.
Nov. 2, 1982: Becomes the first Republican elected to state office in District 31, edging out incumbent Democrat William Burkhead.
May 26, 1985: Tells The Anne Arundel County Sun he is eyeing three elective posts: the one he holds in the House of Delegates, the state Senate seat held by Jerome F. Connell and the county executive seat.
Nov. 1, 1986: Wins a second term in the House.
July 19, 1988: Tells 125 people, gathered at the home of former state Sen.
Jack Steffey, that he is running for county executive.
May 15, 1990: Polls show he cannot beat Republican Robert R. Neall in the GOP primary for county executive; says he may switch over to the Democratic Party.
May 20, 1990: Says he will not jump to the Democratic Party.
June 7, 1990: Enters the race for state Senate seat held by Democrat Philip C. Jimeno.
Nov. 6, 1990: Election Day