Sikh community comes together against discrimination and last updated 2021-04-23 14:53:20-04 CHICAGO â Founded more than 500 years ago in the Punjab region of South Asia, the Sikh faith has more than 25 million adherents worldwide. There are some 500,000 Sikhs living in the U.S. today, with the first immigrating in the late 1800s. Four of the eight victims in last weekâs deadly mass shooting at a FedEx facility in Indianapolis were Indian Americans of the Sikh faith. Now, activists, artists and political leaders are calling for solidarity and acknowledgement. At a virtual vigil for the victims of the FedEx mass shooting thousands mourned the loss of life.