Ontario Canada has seen its share of UFO activity, including black triangles in 2004. You may remember 2004 is the same year of the Nimitz encounter. That engagement was in the skies above the Pacific Ocean off of the coast of California and it involved TicTac’s. In Ontario however black triangles were the UFO of the day. Author Marcus Lowth has done a nice job breaking down the specific events caused by this UFO, such as street lamps changing colors and you can find this article HERE.