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.
The Vietnam Conflict. In the Vietnam War â which lasted from the mid-1950s until 1975 â the United States and the southern-based Republic of Vietnam (RVN) opposed the southern-based revolutionary movement known as the Viet Cong and its sponsor, the Communist Democratic Republic of Vietnam (the DRV, or North Vietnam).