the club that won the 29th edition of Serie A was founded in which year ?
1958–59 Serie A The 1958/1959 Serie A season was the 29th edition of Serie A, the top-level football competition in Italy. The championship was won by A.C. Milan.
Unión de Mar del Plata Club Atlético Unión de Mar del Plata is an Argentine sports club from Mar del Plata, Buenos Aires Province. The club was founded on December 1, 1926, and its main sports are football and basketball. In football, Unión currently plays in the Torneo Argentino A, which is the regionalised third division of the Argentine football league system.