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  1. en.wikipedia.org › wiki › Baltic_SeaBaltic Sea - Wikipedia

    The sea stretches from 53°N to 66°N latitude and from 10°E to 30°E longitude. It is a shelf sea and marginal sea of the Atlantic with limited water exchange between the two, making it an inland sea. The Baltic Sea drains through the Danish Straits into the Kattegat by way of the Øresund, Great Belt and Little Belt.

    • 55 m (180 ft)
    • 377,000 km² (146,000 sq mi)
    • 459 m (1,506 ft)
    • Europe
  2. en.wikipedia.org › wiki › Baltic_WayBaltic Way - Wikipedia

    The Baltic Way (Lithuanian: Baltijos kelias; Latvian: Baltijas ceļš; Estonian: Balti kett) or Baltic Chain (also "Chain of Freedom") was a peaceful political demonstration that occurred on 23 August 1989.Approximately two million people joined their hands to form a human chain spanning 690 kilometres (430 mi) across the three Baltic states of Estonia, Latvia and Lithuania, which at the time ...

    • Independence of the three countries was regained by August 1991
  3. Baltic Sea campaigns (1939–1945) Finnish coastal defence ship Väinämöinen in 1938. The Baltic Sea campaigns were conducted by Axis and Allied naval forces in the Baltic Sea, the Gulf of Bothnia, the Gulf of Finland and the connected lakes Ladoga and Onega on the Eastern Front of World War II. After early fighting between Polish and German ...

    • Allied victory
  4. en.wikipedia.org › wiki › BalticaBaltica - Wikipedia

    Baltica (in white, at the centre of the image, with outline of present-day Europe for reference) Baltica is a paleocontinent that formed in the Paleoproterozoic and now constitutes northwestern Eurasia, or Europe north of the Trans-European Suture Zone and west of the Ural Mountains . The thick core of Baltica, the East European Craton, is more ...

  5. In mathematics, hyperbolic functions are analogues of the ordinary trigonometric functions, but defined using the hyperbola rather than the circle. Just as the points (cos t, sin t) form a circle with a unit radius, the points (cosh t, sinh t) form the right half of the unit hyperbola. Also, similarly to how the derivatives of sin(t) and cos(t ...

  6. Euler's formula, named after Leonhard Euler, is a mathematical formula in complex analysis that establishes the fundamental relationship between the trigonometric functions and the complex exponential function. Euler's formula states that, for any real number x, one has. where e is the base of the natural logarithm, i is the imaginary unit, and ...

  7. The Baltic Pipeline System-2 (BPS-2) is a second trunk line of the system running from the Unecha junction of the Druzhba pipeline near the Russia-Belarus border to the Ust-Luga terminal on the Gulf of Finland with a 172 kilometres (107 mi) long branch line to the Kirishi oil refinery. The construction of the BPS-2 started on 10 June 2009 [4 ...

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