Carpathian MountainsThe Carpathian Mountains or Carpathians (kɑrˈpeɪθiənz) are a range of mountains forming an arc across Central Europe. Roughly long, it is the third-longest European mountain range after the Urals at and the Scandinavian Mountains at . The range stretches from the far eastern Czech Republic (3%) and Austria (1%) in the northwest through Slovakia (21%), Poland (10%), Ukraine (10%), Romania (50%) to Serbia (5%) in the south. The highest range within the Carpathians is known as the Tatra mountains in Slovakia, where the highest peaks exceed .
Tatra MountainsThe Tatra Mountains (), Tatras, or Tatra (Tatry either in Slovak (ˈtatri) or in Polish (ˈtatrɨ) - plurale tantum), are a series of mountains within the Western Carpathians that form a natural border between Slovakia and Poland. They are the highest mountains in the Carpathians. The Tatras are distinct from the Low Tatras (Nízke Tatry), a separate Slovak mountain range further south. The Tatra Mountains occupy an area of , of which about (77.7%) lie within Slovakia and about (22.3%) within Poland.
Morskie OkoMorskie Oko, or Eye of the Sea in English, is the largest and fourth-deepest lake in the Tatra Mountains, in southern Poland. It is located deep within the Tatra National Park in the Rybi Potok (the Fish Brook) Valley, of the High Tatras mountain range at the base of the Mięguszowiecki Summits, in Lesser Poland Voivodeship. In 2014, The Wall Street Journal recognized the lake as one of the five most beautiful lakes in the world. The peaks that surround the lake rise about 1,000 meters above its surface; one of them is Rysy (2,499 meters), the highest peak in the Polish Tatras.
Invasion of PolandThe Invasion of Poland, also known as the September Campaign, Polish Campaign, War of Poland of 1939, and Polish Defencive War of 1939 (1 September – 6 October 1939), was a joint attack on the Republic of Poland by Nazi Germany, the Slovak Republic, and the Soviet Union; which marked the beginning of World War II. The German invasion began on 1 September 1939, one week after the signing of the Molotov–Ribbentrop Pact between Germany and the Soviet Union, and one day after the Supreme Soviet of the Soviet Union had approved the pact.
