Siljan Ring proved inconclusive. Drilling for natural gas was resumed in the late 2000s and continues as of mid-2012. The scientific premise for prospecting of this sort is based on the work of physicist Vladimir Kutcherov, who is cooperating with Igrene, the company financing the drilling operations. 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
Mora witch trial a series of witch trials around the country, where children pointed out adults for having abducted them to take to Satan riding on cattle taken from the barns of wealthy farmers. In Älvdalen, thirty people were put on trial and eighteen sentenced to death: the national court revoked eleven death sentences and executed six women and one man 19 May 1669. These people were executed on the testimonies of children, which was to be common during this witch hunt. In March 1669, the hysteria reached Mora. The bailiff informed the governor: "In Älvdalen and Mora, children and teenagers are being