Belgian congress 1830 country lines drawn
The 1933 elections allowed the Nazi party to take control of the 33% of the Reichstag, or most commonly known as the German version of a parliament. They elected their leader, Adolf Hitler, because of the man's ability to convince the people of Germany using his powerful speeches.
Not entirely sure what you mean by this unless you mean specific interpretations of the constitution, which is considered judicial review which was established in Marbury v Madison, also known as an informal amendment.
The Cheronobyl disaster or known as the Cheronobyl accident was a disastrous nuclear accident happened on April 26, 1986 in the Chernobyl Nuclear Power Plant near Pripyat in Northern Ukraine in what was then included in the Ukraine Soviet Socialist Republic of the Sovient Union (USSR).
The reunification of Japan is accomplished by three strong daimyo who succeed each other: Oda Nobunaga (1543-1582), Toyotomi Hideyoshi (1536-1598), and finally Tokugawa Ieyasu (1542-1616) who establishes the Tokugawa Shogunate, that governs for more than 250 years, following the Battle of Sekigahara in 1600.