On the night of December 11, 2013 the particle…

On the night of December 11, 2013 the particle accelerator was activated by S.T.A.R. Labs to power all of Central City with clean energy, and to further the advancement of the science and medicine; however, when they turned it on, something went horribly wrong, and the particle accelerator exploded, sending a huge shock-wave into the clouds and through the entire city. (x)