State Museum of the History of St. Petersburg exhibitions began in 1957, celebrating the 250th anniversary of Leningrad. The museum contained over 1 million objects in 2002, including the collection of architects documents, photos and plans of Saint Petersburg of the 18th–20th centuries. State Museum of the History of St. Petersburg The State Museum of the History of St. Petersburg (), formerly the Museum of Leningrad History from 1955 to 1991, is a museum of the city history in Saint Petersburg, Russia. The headquarters of the museum are located in the Peter and Paul Fortress. It was established in 1938 as the Museum of History and Development of
Death rates in the 20th century In the middle of 20th century America, the leading cause of death was heart disease with an impressive 355.5 deaths per 100,000 followed by cancer at 139.8 deaths per 100,000. Although death rates dropped significantly in the latter part of the 20th century, the leading killers are still constant. The United States saw 192.9 people per 100,000 die from heart disease in 2010 followed by cancer with 185.9 people per 100,000. The world population in the 20th century experienced a large amount of death due to two major world wars. World War II was responsible for the most war related