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.
1978 Copa del Rey Final The 1978 Copa del Rey Final was the 76th final of the King's Cup. The final was played at Santiago Bernabéu Stadium in Madrid, on 19 April 1978, being won by FC Barcelona, who beat Las Palmas 3–1.