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 Treaty of Nanking (also spelt Nanjing in pinyin) was a treaty signed on 29 August 1842 to mark the end of the First Opium War (1839â42) between the United Kingdom of Great Britain and Ireland and the Qing Dynasty of China.