Operation Plowshare occurred in what US state?
Sedan Crater Sedan Crater is the result of the Sedan nuclear test and is located within the Nevada Test Site, 12 mi southwest of Groom Lake, Nevada (Area 51). The crater was listed on the National Register of Historic Places on March 21, 1994. The crater is a man-made object that can be seen from earth orbit with the unaided eye.
Ohio Fireworks Derecho The Ohio Fireworks Derecho (or also the Ohio Independence Day derecho of 1969), was a severe wind event that took place during the evening hours of July 4, 1969. It affected the northern half of the state of Ohio as well as portions of Pennsylvania, southern Michigan, northern West Virginia and extreme southwestern New York. It was one of the numerous events of that type that hit a region in the United States during its national holiday, the others being in 1977, 1980 and 1999.