Belgrade vs Sarnia

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Belgrade ( BEL-grayd; Serbian: Београд, romanized: Beograd, lit. 'White City', pronounced [beǒɡrad] (listen); names in other languages) is the capital and largest city of Serbia. It's located at the confluence of the Sava and Danube rivers as well as the crossroads of the Pannonian Plain and the Balkan Peninsula. Nearly 1.7 million people live within the administrative limits of the Town of Belgrade, a quarter of the total population of Serbia.Belgrade is among the oldest continuously inhabited cities in Europe and the World. One of the most important prehistoric cultures of Europe, the Vinča culture, evolved within the Belgrade area in the 6th millennium BC. In antiquity, Thraco-Dacians inhabited the region and, after 279 BC, Celts settled the town, naming it Singidūn. It was conquered by the Romans under the reign of Augustus and given Roman town rights in the mid-2nd century. It had been settled by the Slavs in the 520s, and changed hands several times between the Byzantine Empire, the Frankish Empire, the Bulgarian Empire, and the Kingdom of Hungary before it became the seat of the Serbian king Stefan Dragutin in 1284. Belgrade served as capital of the Serbian Despotate during the reign of Stefan Lazarević, and then his successor Đurađ Branković returned into the Hungarian king in 1427. Noon bells in support of the Hungarian army against the Ottoman Empire during the siege in 1456 have remained a widespread church heritage to this day. In 1521, Belgrade was conquered by the Ottomans and became the chair of the Sanjak of Smederevo. It often passed from Ottoman to Habsburg rule, which saw the destruction of most of the city during the Austro-Ottoman wars.

In the period after the Serbian Revolution, Belgrade was named the capital of Serbia in 1841. Northern Belgrade stayed the southernmost Habsburg post until 1918, when it was attached to the city, because of former Austro-Hungarian lands becoming the role of the new Kingdom of Serbs, Croats and Slovenes after World War I. Belgrade was the capital of Yugoslavia from its creation in 1918 to its dissolution in 2006. In a fatally strategic position, the city was battled over in 115 wars and razed 44 times, being bombed five times and surrounded many times.Being Serbia's primate city, Belgrade has special administrative status within Serbia. It's the seat of the central authorities, administrative bodies, and government ministries, as well as home of almost all the largest Serbian companies, media, and scientific associations. Belgrade is categorized as a Beta-Global City. The town is home to the Clinical Centre of Serbia, one of the hospital complexes with the biggest capacity in the world, the Church of Saint Sava, one of the biggest Orthodox church buildings, and the Štark Arena, one of those indoor arenas with the biggest capacity in Europe. Belgrade hosted major international events like the Danube River Conference of 1948, the first Non-Aligned Movement Summit (1961), the first major gathering of the OSCE (1977--1978), Eurovision Song Contest (2008), as well as sports events like the first FINA World Aquatics Championships (1973), UEFA Euro (1976), Summer Universiade (2009) and EuroBasket three-times (1961, 1975, 2005).

Source: Wikipedia

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Sarnia is a city in Southwestern Ontario, Canada, with a 2016 population of 71,594. It is the largest city on Lake Huron and in Lambton County. Sarnia is located on the eastern bank of the junction between the Upper and Lower Great Lakes where Lake Huron flows into the St. Clair River, which forms the Canada–United States border, directly across from Port Huron, Michigan. The site's natural harbour first attracted the French explorer La Salle. He named the site "The Rapids" on 23 August 1679, when he had horses and men pull his 45-ton barque Le Griffon north against the nearly four-knot current of the St. Clair River.This was the first time that a vessel other than a canoe or other oar-powered vessel had sailed into Lake Huron, and La Salle's voyage was germinal in the development of commercial shipping on the Great Lakes. Located in the natural harbour, the Sarnia port remains an important centre for lake freighters and oceangoing ships carrying cargoes of grain and petroleum products. The natural port and the salt caverns that exist in the surrounding areas, together with the oil discovered in nearby Oil Springs in 1858, led to the dramatic growth of the petroleum industry in this area.

Because Oil Springs was the first place in Canada and North America to drill commercially for oil, the knowledge that was acquired there resulted in oil drillers from Sarnia travelling the world teaching other enterprises and nations how to drill for oil.The complex of refining and chemical companies is called Chemical Valley and located south of downtown Sarnia. In 2011 the city had the highest level of particulates air pollution of any Canadian city, but it has since dropped to rank 30th in this hazard. About 60 percent of the particulate matter comes from industries and polluters in the neighbouring United States.Lake Huron is cooler than the air in summer and warmer than the air in winter; therefore, it moderates Sarnia's humid continental climate, making temperature extremes of hot and cold less evident. In the winter, Sarnia occasionally experiences lake-effect snow from Arctic air blowing across the warmer waters of Lake Huron and condensing to form snow squalls over land.

Source: Wikipedia