Three worldwide (pandemic) outbreaks of influenza. occurred in the 20th century: in 1918, 1957, and 1968. The. latter 2 were in the era of modern virology and most thor-. oughly characterized. All 3 have been informally identified. by their presumed sites of origin as Spanish, Asian, and.
Just south of the Vietnam Veterans Memorial Wall is the Vietnam Womenâs Memorial, which serves to commemorate the 265,000 women that served in the Vietnam War, many of whom worked as nurses.
South Vietnam. South Vietnam, officially the Republic of Vietnam, was a state governing the southern half of Vietnam from 1955 to 1975. It received international recognition in 1949 as the State of Vietnam (1949â55), and later as the Republic of Vietnam (1955â75). Its capital was Saigon.