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Earth is the third planet from the Sun and the only astronomical object known to harbor life. About 29% of Earth's surface is land consisting of continents and islands. The remaining 71% is covered with water, mostly by oceans but also lakes, rivers and other fresh water, which together constitute the hydrosphere. Much of Earth's polar regions are covered in ice. Earth's outer layer is divided into several rigid tectonic plates that migrate across the surface over many millions of years. Earth's interior remains active with a solid iron inner core, a liquid outer core that generates Earth's magnetic field, and a convecting mantle that drives plate tectonics.
According to radiometric dating estimation and other evidence, Earth formed over 4.5 billion years ago. Within the first billion years of Earth's history, life appeared in the oceans and began to affect Earth's atmosphere and surface, leading to the proliferation of anaerobic and, later, aerobic organisms. Some geological evidence indicates that life may have arisen as early as 4.1 billion years ago. Since then, the combination of Earth's distance from the Sun, physical properties and geological history have allowed life to evolve and thrive. In the history of life on Earth, biodiversity has gone through long periods of expansion, occasionally punctuated by mass extinctions.
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Kaunas (; Lithuanian: [ˈkɐʊˑnɐs] (listen); also see other names) is the second-largest city in Lithuania after Vilnius and an important centre of Lithuanian economic, academic, and cultural life. Kaunas was the biggest city and the centre of a county in the Duchy of Trakai of the Grand Duchy of Lithuania and Trakai Palatinate since 1413. In the Russian Empire, it was the capital of the Kaunas Governorate from 1843 to 1915.
During the interwar period, it served as the temporary capital of Lithuania, when Vilnius was seized by Poland between 1920 and 1939. During that period Kaunas was celebrated for its rich cultural and academic life, fashion, construction of countless Art Deco and Lithuanian National Romanticism architectural-style buildings as well as popular furniture, the interior design of the time, and a widespread café culture. The city interwar architecture is regarded as among the finest examples of European Art Deco and has received the European Heritage Label.
Sault-Saint-Remy is a commune in the Ardennes department in northern France.
Giuseppe Maria Garibaldi ( GARR-ib-AWL-dee, Italian: [dʒuˈzɛppe ɡariˈbaldi] (listen); 4 July 1807...
Oslo ( OZ-loh, also US: OSS-loh, Norwegian: [ˈʊ̂ʂlʊ] (listen), rarely [ˈʊ̂slʊ, ˈʊ̀ʂlʊ]) is the...