died on this date in 1829.
Smithson’s will left the bulk of his estate to his nephew, Henry James Hungerford. But should his nephew die without children—legitimate or illegitimate—a contingency clause stated that the estate would go to “the United States of America, to found at Washington, under the name of the Smithsonian Institution, an Establishment for the increase and diffusion of knowledge…”
Source: The Smithsonian Institution
The nephew did indeed die without children and in 1838 approximately $500,000 in gold was brought to the United States. After a decade of indecision and debate about how best to carry out the bequest, the Smithsonian Institution was created by Act of Congress (1846).
An aside: According to the Smithsonian:
Senator John C. Calhoun opposed acceptance of the Smithson bequest, largely on the grounds that to do so on behalf of the entire nation would abridge states’ rights. He maintained that Congress had no authority to accept the gift. He also asserted that it would be “beneath [U.S.] dignity to accept presents from anyone.”
In 1876, under command of Gen. Alfred Terry, Custer led the Seventh Cavalry as one force in a three-pronged campaign against Sitting Bull’s alliance of Sioux and Cheyenne camps in Montana. During the morning of June 25, Custer’s scouts reported spotting smoke from cooking fires and other signs of Indians in the valley of the Little Bighorn. Disregarding Terry’s orders, Custer decided to attack before infantry and other support arrived. Although scouts warned that he was facing superior numbers (perhaps 2,500 warriors), Custer divided his regiment of 647 men, ordering Capt. Frederick Benteen’s battalion to scout along a ridge to the left and sending Maj. Marcus Reno’s battalion up the valley of the Little Bighorn to attack the Indian encampment. With the remainder of the regiment, Custer continued along high ground on the right side of the valley. In the resulting battle, he and about 250 of his men, outnumbered by the warriors of Crazy Horse and Gall, were surrounded and annihilated. Reno and Benteen suffered heavy casualties but managed to escape to a defensive position. Since that day, “Custer’s Last Stand” has become an American legend. The battle site attracts thousands of visitors yearly.