As part of a seismic schedule change for the 2028 Los Angeles Games, track and field, and not swimming, will lead off the Olympics.

FILE - In this July 19, 1996, file photo, American swimmer Janet Evans passes the Olympic flame to Muhammad Ali during the 1996 Summer Olympic Games Opening Ceremony in Atlanta. (AP Photo/Michael Probst, File)ATLANTA EDITORS With the Tokyo Olympics postponed for a year because of the coronavirus pandemic, The Associated Press is looking back at the history of Summer Games. Here are some of the highlights of the 1996 Atlanta Games, where Muhammad Ali provided the greatest moment before the competition even began. ___Less than 24 hours before the opening ceremony of the Atlanta Olympics, at a secretive midnight practice run, Janet Evans finally got the word. As the last host city to rely mainly on private funding, Atlanta faced griping that its commercial backers made the event look more like a tacky county fair than the Summer Olympics.