 A first joint science run with LIGO, in the second half of 2017, started following a commissioning period of a few months.The first detection of gravitational waves by Virgo is known as GW170814, which was announced on 27 September 2017 in a G7 science meeting conference in Turin, Italy.Just few days later, GW170817 was detected by the LIGO and Virgo on 17 August 2017.