Sarnia vs Pensacola

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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

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Pensacola () is the westernmost city in the Florida Panhandle, and the county seat of Escambia County, Florida. As of 2019, the population was estimated to be 52,975. Pensacola is the principal city of the Pensacola Metropolitan Area, which had an estimated 502,629 residents as of 2019. Pensacola is one of the largest metropolitan areas in the Gulf Coast region, the largest between New Orleans and Tampa.Pensacola is the site of the first Spanish settlement within the borders of the continental United States in 1559, predating the establishment of St. Augustine by 6 years, although the settlement was abandoned due to a hurricane and not re-established until 1698. Pensacola is a seaport on Pensacola Bay, which is protected by the barrier island of Santa Rosa and connects to the Gulf of Mexico. A large United States Naval Air Station, the first in the United States, is located southwest of Pensacola near Warrington; it is the base of the Blue Angels flight demonstration team and the National Naval Aviation Museum. The main campus of the University of West Florida is situated north of the city center. The area was originally inhabited by Muskogean-speaking peoples.

The Pensacola people lived there at the time of European contact, and Creek people frequently visited and traded from present-day southern Alabama and Mississippi and southeast of Louisiana. Spanish explorer Tristán de Luna founded a short-lived settlement in 1559. In 1698 the Spanish established a presidio in the area, from which the modern city gradually developed. The area changed hands several times as European powers competed in North America. During Florida's British rule (1763–1781), fortifications were strengthened. It is nicknamed "The City of Five Flags", due to the five governments that have ruled it during its history: the flags of Spain (Castile), France, Great Britain, the United States of America, and the Confederate States of America. Other nicknames include "World's Whitest Beaches" (due to the white sand of Florida panhandle beaches), "Cradle of Naval Aviation", "Western Gate to the Sunshine State", "America's First Settlement", "Emerald Coast", "Red Snapper Capital of the World", and "P-Cola".

Source: Wikipedia