A tentative listing of official and unofficial events during the four-day inaugural celebration: Thursday, Jan. 18: —9 a.m. George Washington University sponsors a panel discussion of whether bipartisanship can be achieved in Congress, with Tony Coelho, Arianna Huffington. National Press Club. —10 a.m. Marine Band holds rehearsal with the DuPont Manual High School-Youth Performing Arts School of Louisville, Ky. Sousa Hall, Marine Barracks. —11:30 a.m. California State Society inaugural luncheon features Fashion Institute of Design and Merchandising's debut show. Grand Ballroom, Mayflower Hotel. —Noon. Armed Forces Inauguration Committee holds a media day to highlight three military horse units in the inaugural parade. 3rd U.S. Infantry Caisson Platoon, Fort Myer, Va. —3:30 p.m. Opening celebration at the Lincoln Memorial of the 54th Inauguration of the president. Ricky Martin, Charlotte Church, other stars perform. —5:30 p.m. Reception for incoming White House Chief of Staff Andrew Card hosted by General Motors and Govs. Paul Cellucci, R-Mass., and John Engler, R-Mich. Roof Terrace Restaurant, Kennedy Center. —7 p.m. President-elect Bush and Vice President-elect Dick Cheney make appearances at three candlelight dinners for inaugural committee contributors at the Washington Hilton Hotel, Union Station and National Building Museum. —7 p.m. Media Research Center hosts celebration of the death of the Clinton Administration, with Jackie Mason, Rep. Bob Barr, Lucianne Goldberg. Washington Monarch Hotel. —8 p.m. Kentucky Society of Washington ball. Marriott Wardman Park. —8 p.m. Arkansas State Society honors the state's congressional delegation. Washington Court Hotel. ——— Friday, Jan. 19: —8 a.m. Republican Unity Coalition, a group of gay and lesbian Republicans, holds inaugural breakfast, with former Sen. Alan K. Simpson, R-Wyo., as master of ceremonies, and Rep. Tom Davis, R-Va., as keynote speaker. Almas Temple. —10 a.m. Laura Bush Celebrates America's Authors, featuring best-selling writers Stephen Ambrose, Mary Higgins Clark and others. Constitution Hall. The president-elect and his parents, former President and Barbara Bush, are to attend. —Noon. Leave No Child Behind Education Awards luncheon, featuring Education Secretary-designate Rod Page. Willard Inter-Continental. —Noon. Amigos de Bush Celebra Un Nuevo Dia luncheon. Mayflower Hotel. —2 p.m. Dick Cheney Salutes America's Veterans. George Washington University's Smith Center. —4 p.m. Concert Celebrating America's Youth. MCI Center. —5 p.m. Illinois State Society holds Illinois Inaugural Gala with an awards reception, awards dinner, inaugural ball. Grand Hyatt Washington. —5:30 p.m. Wyoming State Society event. Chamber of Commerce Building. —6 p.m. Alaska State Society inaugural reception. Dirksen Senate Office Building. —6:30 p.m. Oklahoma Republican Party reception. National Press Club. —8 p.m. Texas Black Tie & Boots Ball, Marriott Wardman Park Hotel. Guest list includes Dallas Cowboys quarterback Troy Aikman, actors Chuck Norris, Robert Duvall, Bruce Willis, Arnold Schwarzenegger. —8 p.m. Rep. David Dreier, R-Calif., and Smithsonian Institution Undersecretary Sheila Burke host California Preinaugural Champagne Reception with Agriculture Secretary-designate Ann Veneman. National Museum of American History. —8 p.m. South Carolina State Society Presidential Ball. The Corcoran Gallery of Art. —8:30 p.m. National Republican Senatorial Committee Ball. Capital Hilton. —9 p.m. Hispanic Presidential Inaugural Gala. Omni Shoreham Hotel. —9 p.m. North Carolina Society of Washington Inaugural Ball. Hotel Washington. ——— Saturday, Jan. 20 —9:30 a.m. Morning worship for Bush, Cheney and their wives. St. John's Episcopal Church, Lafayette Square. —11:30 a.m. Inaugural ceremony to begin, west front entrance of the U.S. Capitol. Bush to be sworn in as the 43rd president of the United States. Congress, Supreme Court justices among those in attendance. —2 p.m. Inaugural parade with more than three dozen bands and a variety of performers. Pennsylvania Avenue. —5 p.m. New Jersey State Society Gala. Hyatt Regency Hotel. —5:30 p.m. Inaugural Balls: Union Station: New Jersey, New York and Pennsylvania. Washington Convention Center: Ohio, Texas and Wyoming. National Building Museum: Florida. Washington Hilton: Alaska, Alabama, Illinois, Kansas, Louisiana and Michigan. D.C. Armory: Colorado, Delaware, the District of Columbia, Hawaii, Idaho, Iowa, Maryland, Massachusetts, Missouri, Nebraska, New Hampshire, Rhode Island, South Carolina, Vermont, Virginia and Washington. Ronald Reagan Building: Arizona, California, Kentucky, North Carolina, North Dakota, South Dakota, Tennessee and Utah. Marriott Wardman Park Hotel: Arkansas, American Samoa, Connecticut, Georgia, Guam, Indiana, Maine, Minnesota, Mississippi, Montana, Nevada, New Mexico, Oklahoma, Oregon, Puerto Rico, the Virgin Islands, West Virginia and Wisconsin. —7 p.m. Pennsylvania State Society Gala. National Museum of Natural History. —7 p.m. Washington State Society Gala. D.C. Armory. —7 p.m. Oregon State Society Gala. Marriott Wardman Park. —7 p.m. New Millennium Unity Inaugural Ball. Four Seasons Hotel. —9 p.m. Americans for a Brighter Future hold a ``diversity ball.'' Colin Powell, Condoleezza Rice and Mel Martinez are honorees. Four Seasons Hotel. —10 p.m. Fiesta Americana Inaugural Ball, Organization of American States. ——— Sunday, Jan. 21 —8:30 a.m. Washington Cathedral Service. Bush, Cheney, their wives to attend, with an interfaith roster of clergy. —10 a.m. Nebraska Society of Washington and the state's congressional delegation hold post-inaugural brunch. Army-Navy Club. —3 p.m. White House tours. Tickets available beginning at 7 a.m. at the White House Visitor Center.