when was the national museum of natural history built
National Museum of Natural History The National Museum of Natural History is a natural-history museum administered by the Smithsonian Institution, located on the National Mall in Washington, D.C., United States. It has free admission and is open 364 days a year. In 2016, with 7.1 million visitors, it was the fourth most visited museum in the world and the most visited natural-history museum in the world.[2] Opened in 1910, the museum on the National Mall was one of the first Smithsonian buildings constructed exclusively to hold the national collections and research facilities.[3] The main building has an overall area of 1,500,000 square feet (140,000 m2) with 325,000 square feet (30,200 m2) of exhibition and public space and houses over 1,000 employees.[3]
Museum of Science and Industry (Chicago) The new Museum of Science and Industry opened to the public in three stages between 1933 and 1940. The first opening ceremony took place during the Century of Progress Exposition. Two of the museum's presidents, a number of curators and other staff members, and exhibits came to MSI from the Century of Progress event.