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On This Day | August 7

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2010
Niedow Dam over-topped

Located in Lower Silesian Voivodeship, Poland, the dam was over-topped from flooding after heavy rain. The incident led to one death.

1995
White Earthquake state of emergency declared

The White Earthquake was a climatic event consisting of intense winds, cold, snowfall and rain that occurred through southern Chile in August 1995. 7,176 people were left isolated as result of the heavy snowfall and three died. By August 16 an estimated 176,000 sheep were dead, and 800,000 were in "critical condition". On 7 August, the Chilean government declared a state of emergency in the southern half of the country, from Maule Region to Magallanes.

1976
Viking 2 enters orbit around Mars

The Viking 2 mission was part of the American Viking program to Mars, and consisted of an orbiter and a lander essentially identical to that of the Viking 1 mission. he Viking 2 Orbiter began returning global images of Mars prior to orbit insertion. The orbiter was inserted into a 1,500 x 33,000 km, 24.6 h Mars orbit on August 7, 1976, and trimmed to a 27.3 h site certification orbit with a periapsis of 1,499 km and an inclination of 55.2 degrees on August 9. The orbiter then began taking photographs of candidate landing sites, which were used to select the final landing site.

1927
Peace Bridge opened

The Peace Bridge is an international bridge between Canada and the United States at the east end of Lake Erie at the source of the Niagara River, about 20 kilometres (12.4 mi) upriver of Niagara Falls. It connects Buffalo, New York, in the United States to Fort Erie, Ontario, in Canada. The Peace Bridge consists of five arched spans over the Niagara River and a Parker deck type truss span over the Black Rock Canal on the American side of the river. The length is 5,800 feet (1.77 km). Material used in the construction included 3,500 feet (1.07 km) of steelwork, 9,000 tons of structural steel and 800 tons of reinforcing steel in the concrete abutments.

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