Which football team won a La Liga trophy in the season that started on 29 August 1998 and finished on 20 June 1999?
1998–99 La Liga The 1998–99 La Liga season, the 68th since its establishment, started on 29 August 1998 and finished on 20 June 1999.
1984–85 La Liga The 1984–85 La Liga season, the 54th since its establishment, started on September 1, 1984, and finished on April 21, 1985. The champions were Barcelona, who won the title by a 10-point margin over second-placed Atlético Madrid in their first season under the management of English coach Terry Venables.