Came across a video on Rumble, which of course doesn't provide any sauce, but doing a quick Bing search provides one matching result which of course is the top result and appears to be by a "fact checker"
Eye's on, something may be breaking on Antarctica...
https://rumble.com/v1k7pod-russia-claims-to-pull-out-of-the-antarctic-treaty.html
Coronation Island is the largest of the South Orkney Islands, 25 nautical miles (46 km) long and from 3 to 8 nautical miles (5.6 to 14.8 km) wide. The island extends in a general east–west direction, is mainly ice-covered and comprises numerous bays, glaciers and peaks, the highest rising to 1,265 metres (4,150 ft)
The island was discovered in December 1821, in the course of the joint cruise by Captain Nathaniel Palmer, an American sealer, and Captain George Powell, a British sealer. Powell named the island in honour of the coronation of George IV, who had become king of the United Kingdom in 1820