The maple leaf, for example, remains the Canadian symbol par excellence since it replaced the British flag with the Union Jack and, once again, contributed to consolidating the independence of Canada from Great Britain. The Canadian Radio-television and Telecommunications Commission (CRTC) was created in 1968 and remains significant as it helped differentiate Canadian programming from that of the United States as it required radio stations to broadcast at least 30% Canadian programming. The CRTC gave way to Canadian artists such as Bryan Adams, Celine Dion and Nelly Furtado, further contributing to the Canadian identity. Five years later, amid growing complaints about foreign ownership of Canadian industry, the Foreign Investment Review Agency was born; The FIRA was given the power to approve or deny foreign acquisitions of Canadian businesses, which helped preserve a sense of Canadian identity. Some might argue that “Hockey Night in Canada” – Canada's longest-running television program – is the definition of Canadian culture and identity as it brings together thousands of people in support of a common sport and national team. In terms of public movements, the FLQ, Front de Liberation du Quebec, a separatist organization has been extensively involved in a number of terrorist acts, some of them using mailbox bombs, which symbolized the Government of Canada. On October 5, 1970, a