What is the beginning date of this inaugural season of a new FIA Champoinship for electrically powered cars, in which the Buenos Aires ePrix was first raced?
2014–15 Formula E season The 2014–15 FIA Formula E season was the inaugural season of a new FIA championship for electrically powered cars. It began on 13 September 2014 at Beijing in China and finished on 28 June 2015 in London after eleven races. Nelson Piquet Jr. came first in the overall standings, and so became the first ever Formula E champion.
1949 Buenos Aires Grand Prix (I) The first of three 1949 Buenos Aires Grand Prix (official name: III Gran Premio del General Juan Perón y de la Ciudad de Buenos Aires) was a Grand Prix motor race that took place on January 30, 1949, at the Palermo street circuit in Buenos Aires, Argentina.