Berlin Blockade continent for weeks. All too often, aircraft would make the entire flight and then be unable to land in Berlin. On 20 November 1948, 42 aircraft departed for Berlin, but only one landed there. At one point, the city had only a week's supply of coal left. However, the weather eventually improved, and more than 171,000 tons were delivered in January 1949, 152,000 tons in February, and 196,223 tons in March. By April 1949, airlift operations were running smoothly and Tunner wanted to shake up his command to discourage complacency. He believed in the spirit of competition between units and,
Senghenydd colliery disaster the area of the South Wales Coalfield; between 1851 and 1911 the population increased by 320,000. By 1913 the Welsh collieries were extracting 56.8 million long tons of coal (63.6 million short tons) a year, up from 8.5 million long tons (9.5 million short tons) in 1854; collieries in the region mined a fifth of all coal produced in the UK, and employed a fifth of its miners in the mid-nineteenth century. In 1913 Britain was responsible for 25 per cent of world coal production and 55 percent of all world coal exports. The South Wales Coalfield produced the sought-after