Sistema Brasileiro de Televisão

The Sistema Brasileiro de Televisão is a Brazilian television network founded on August 19, 1981 by the businessman and television personality Silvio Santos. The company was established after a public tender by the Brazilian Federal Government to form two new networks, created from revoked concessions of the defunct Tupi and Excelsior networks. SBT was funded in the same day that the concession agreement was signed, and that the act was broadcast live by the network, so that this was his first program aired.

Source: Wikipedia