- Seal Rocks is a group of small rock formation islands in the Lands End area of the Outer Richmond District on the West Side of San Francisco, California, United States. They are located just offshore in the Pacific Ocean, at the north end of the Ocean Beach, near the Cliff House and Sutro Baths ruins.
- Max Headroom signal hijacking (Wikipedia)
On the night of November 22, 1987, the television signals of two stations in Chicago, Illinois, were hijacked, briefly sending a pirate broadcast of an unidentified person wearing a Max Headroom mask and costume to thousands of home viewers.