1968 in the Vietnam War Adams' iconic image of South Vietnamese General Nguyễn Ngọc Loan's execution of a Viet Cong operative was taken in 1968. The year also saw Walter Cronkite's call to honourably exit Vietnam because he thought the war was lost. This negative impression forced the US into the Paris peace talks with North Vietnam. US troop numbers peaked in 1968 with President Johnson approving an increased maximum number of US troops in Vietnam at 549,500. The year was the most expensive in the Vietnam War with the American spending US$ (US$ in 2019) on the war. The year also became the deadliest
Treaty of Niš (1739) 1737 on the Russian side, but was forced to make peace with Ottomans at the separate Treaty of Belgrade, surrendering Northern Serbia, Northern Bosnia and Oltenia, and allowing the Ottomans to resist the Russian push toward Constantinople. In return, the Sultan acknowledged the Habsburg Emperor as the official protector of all Ottoman Christian subjects ("see Ottoman millet"), a position also claimed by Russia. The Austrian peace treaty compelled Russia to accept peace at Niš, ending the war with a partial Russian victory. Treaty of Niš (1739) The Treaty of Niš was a peace treaty signed on 3 October 1739 in