Overview

• Argentina’s CONADEP delivered the Nunca Más report to President Raúl Alfonsín on September 20, 1984, documenting 8,961 disappearances and more than 300 clandestine detention centers that later underpinned the Juicio a las Juntas.
• On September 20, 1519, Magellan’s five ships left Sanlúcar de Barrameda, launching the expedition that Juan Sebastián Elcano completed as the first circumnavigation of the globe.
• Soda Stereo closed its career with a farewell concert at River Plate on September 20, 1997, performing before roughly 65,000 people in a landmark moment for Latin American rock.
• September 20 is also marked by notable births, including Sophia Loren in 1934, George R. R. Martin in 1948 and Uruguay’s World Cup–winning captain Obdulio Varela in 1917.
• The date includes cultural milestones such as the 1946 inauguration of the first Cannes Film Festival, highlighted in the commemorative roundups.