There are three primary ways that naturally occurring radioactive isotopes decay: 1  Alpha particle emission. 2  Beta particle emission. 3  Gamma radiation emission.
President condemns Ankara attacks. The current migration crisis is a problem of the entire EU and not of a particular country, Polish President Andrzej Duda said after the end of the Visegrad Group two-day summit in Balatonfuered, Hungary, on Friday.
Poland vanished from the map of Europe until 1918; Napoleon created a Grand Duchy of Warsaw from Prussian Poland in 1807, but it did not survive his defeat. A Polish Republic was proclaimed on November 3, 1918. On November 14, General Joseph Pilsudski became head of state.