Spontaneous Osteonecrosis of the Knee - SONK. Also known as: Ahlbackâs disease. A condition of unknown aetiology characterized by the development of an area of osteonecrosis on the weight-bearing surface of the medial femoral condyle.
Friday 8 November 2013 09.16 EST First published on Friday 8 November 2013 09.16 EST. When 33 Chilean miners were hauled to the surface after 69 days trapped in a collapsed copper mine in 2010, more than a billion people around the world tuned in to watch as the rescue was broadcast live on television.
The dictator from 1830 to 1837, Diego Portales, fought a war with Peru from 1836â1839 that expanded Chilean territory. Chile fought the War of the Pacific with Peru and Bolivia from 1879 to 1883, winning Antofagasta, Bolivia's only outlet to the sea, and extensive areas from Peru.