Positron emission should not be confused with electron emission or beta minus decay (Î² â decay), which occurs when a neutron turns into a proton and the nucleus emits an electron and an antineutrino.
Germany Thirty Years War. On October 24th 1648, the Treaty of Westphalia was signed, marking the end of the Thirty Years' War. The Westphalia area of north-western Germany gave its name to the treaty that ended the Thirty Years' War, one of the most destructive conflicts in the history of Europe.
The result of that conflict and the conclusion of the Thirty Years' War helped establish postwar Sweden as a major force in Europe. The arrangements agreed upon in the Peace of Westphalia in 1648 were instrumental in laying the legal foundations of the modern sovereign nation-state.