José María Velasco Ibarra nullified the Rio de Janeiro Protocol, which led to conflicts between Ecuador and Peru, including Paquisha in 1981 and the War of El Cenepa in 1995. Finally, in 1968 Velasco Ibarra won the presidency for a fifth time. This government ended abruptly on February 15, 1972, when once more he was deposed in a bloodless coup, which brought General Guillermo Rodríguez Lara to power. In total, Velasco Ibarra governed nearly 13 years, making him the longest-serving president in Ecuadorian history (although Rafael Correa's decade-long presidency from 2007 until 2017 is the longest continuous presidency). The events surrounding the end of
Provisional Revolutionary Government of the Republic of South Vietnam National, Democratic and Peace Forces, the People's Revolutionary Party (the South Vietnamese communist party) and "the usual assortment of mass organizations, ethnic groups, and geopolitical regions." Banners displayed prominently at the convention proclaimed that "South Vietnam is independent, democratic, peaceful, and neutral". The PRG reflected a number of nationalist, anti-imperialist and communist political viewpoints, including those of the Vietnam Workers Party (the North Vietnamese communist party). Following the military and political results of the 1968 Tet Offensive and related military offensives in the South, in which the Vietcong suffered serious military losses, the PRG was envisioned as a political counter-force