Oak vs Diekirch

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An oak is a tree or shrub in the genus Quercus (; Latin "oak tree") of the beech family, Fagaceae. There are approximately 500 extant species of oaks. The common name "oak" also appears in the names of species in related genera, notably Lithocarpus (stone oaks), as well as in those of unrelated species such as Grevillea robusta (silky oaks) and the Casuarinaceae (she-oaks). The genus Quercus is native to the Northern Hemisphere, and includes deciduous and evergreen species extending from cool temperate to tropical latitudes in the Americas, Asia, Europe, and North Africa. North America contains the largest number of oak species, with approximately 90 occurring in the United States, while Mexico has 160 species of which 109 are endemic. The second greatest center of oak diversity is China, which contains approximately 100 species.

Oaks have spirally arranged leaves, with lobate margins in many species; some have serrated leaves or entire leaves with smooth margins. Many deciduous species are marcescent, not dropping dead leaves until spring. In spring, a single oak tree produces both male flowers (in the form of catkins) and small female flowers, meaning that the trees are monoecious. The fruit is a nut called an acorn or oak nut borne in a cup-like structure known as a cupule; each acorn contains one seed (rarely two or three) and takes 6–18 months to mature, depending on their species. The acorns and leaves contain tannic acid, which helps to guard from fungi and insects. The live oaks are distinguished for being evergreen, but are not actually a distinct group and instead are dispersed across the genus.

Source: Wikipedia

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Diekirch (Luxembourgish: Dikrech pronounced [ˈdiːkʀæɕ] (listen); from Diet-Kirch, i.e. "people's church") is a commune with town status in north-eastern Luxembourg, capital city of the canton Diekirch and, until its abolition in 2015, the district of Diekirch. The town is situated on the banks of the Sauer river. The town's heraldic shield, showing a crowned lion on a castle, was granted in 1988. It is based on the town's 14th century seal and arms.As of 2001, the town of Diekirch itself, which lies in the south of the commune, has a population of 6,068. Diekirch was the first town in Luxembourg to have a pedestrian zone, in 1977. Diekirch is home to a brewery of national importance carrying the town's name. Three secondary schools are located in Diekirch: Lycée classique de Diekirch, Lycée technique hôtelier Alexis Heck and Nordstadlycée.The town is home to the national operational headquarters of the Luxembourgish Army at the Haerebierg Military Centre (located on the hill Herrenberg) and the National Museum of Military History, reflecting Diekirch's pivotal role in the famous Battle of the Bulge, called by the Germans Rundstedt-Offensive, a major battle of World War II.

It was here that the river Sauer was crossed on the night of January 18, 1945, by the US 5th Infantry division. The town is also the seat of one of the six regional headquarters of the Grand Ducal Police and of one of the two judicial districts of Luxembourg. As far as sports events are concerned, Diekirch has gained a reputation for its annual cross country running competition — the Eurocross — which is an IAAF permit meeting and attracts world-class runners, with Gabriela Szabo and Irina Mikitenko among its past winners.

Source: Wikipedia