Siljan Ring Siljan Ring The Siljan Ring () is a prehistoric impact crater in Dalarna, central Sweden. It is one of the 15 largest known impact craters on Earth and the largest in Europe, with a diameter of about . The impact that created the Siljan Ring occurred when a meteorite collided with the Earth's surface during the Devonian period, about 376.8 ± 1.7 Ma. This coincides around the first Devonian extinction, the Kellwasser Event or Late Frasnian extinction at 376.1 Ma ± 1.6 Ma. The effects of the impact can clearly be seen in the bedrock in the area. The Cambrian,
Adrian Mora the Broomfield Event Center in Broomfield, Colorado. His only loss was to IBF Champion Javier Jauregui in September 2007. One year later Mora knocked out the veteran Shad Howard. Adrian Mora Adrián Mora (born February 26, 1978) is a Mexican American professional boxer and the former IBA Light Welterweight Champion. Mora had an amateur career of 62-8 and also won a Silver Medal at the 2000 Western trials. He is the younger brother of both Light Welterweight contender Anthony Mora and boxing referee Russell Mora. In January 2007, Mora beat the American Aaron Drake to win the National Boxing Association