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.
Long Beach ePrix The Long Beach ePrix was an annual race of the single-seater, electrically powered Formula E championship, held in Long Beach, United States. It was raced in the 2014–15 and the 2015–16 seasons.