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.
2017 FIA Formula 3 European Championship The 2017 FIA Formula 3 European Championship is the current season of a multi-event motor racing championship for third-tier single-seat open wheel formula racing cars that is held across Europe. The championship features drivers competing in two-litre Formula Three racing cars which conform to the technical regulations, or formula, for the championship. It is the sixth edition of the FIA Formula 3 European Championship. For the first time ever all entrants utilize the all-new Dallara F317.