Question: Duerme Negrito is a popular Latin American folkloric lullaby, originally an area near the Venezuelan and Colombian border, the song was popularized by himself and other musicians, such as Mercedes Sosa, sometimes known as La Negra, was an Argentine singer, who was popular throughout Latin America and many countries outside the region, and was born, on which holiday?

Context paragraphs:
Mercedes Sosa: Haydée Mercedes Sosa (] ; 9 July 1935 – 4 October 2009), sometimes known as La Negra (literally: "The Black One"), was an Argentine singer who was popular throughout Latin America and many countries outside the region.  She was born on Argentina's Independence Day.  With her roots in Argentine folk music, Sosa became one of the preeminent exponents of nueva canción.  She gave voice to songs written by many Latin American songwriters.  Her music made people hail her as the "voice of the voiceless ones", and "the voice of America".

El Burrito de Belén: "El Burrito de Belén" (English: The Little Donkey from Bethlehem) or "El Burrito Sabanero" (English: The Little Donkey from the Savannah) is a popular Latin American Christmas song.  It was written by Hugo Blanco for the 1972 Christmas season.  The song was first recorded by the Venezuelan folk singer Simon Diaz, included on his record, “Las Gaitas de Simon” where he was accompanied by the Venezuelan Children’s Choir.  Later, the children’s musical group, La Rondallita recorded the song in November 1975 with the vocals of a child named Ricardo Cuenci.  This latest version gained popularity in Latin America.  It has since been recorded many times by popular artists.

La Sonora Dinamita: La Sonora Dinamita is a Colombian musical group that plays cumbia, a South and Latin American music genre popular throughout Latin America.  As one of the first cumbia groups to reach international success, it is credited with helping to popularize the genre throughout Latin America, and the world.

Otilio Galíndez: Otilio Galíndez (December 13, 1935 – June 13, 2009) was a Venezuelan songwriter and musician.  He is best known for his Christmas songs ("aguinaldos") like "La Restinga", even though he also composed popular Venezuelan waltzes, serenades, bambucos or joropos such as "Pueblos tristes", "Flor de mayo" and "Mi tripón".  Many of his songs have been recorded by María Teresa Chacín, Ilan Chester, Simón Díaz, Pablo Milanés, Silvio Rodríguez, Mercedes Sosa, Cecilia Todd and Lilia Vera, among others.

Cumbia: Cumbia ] is a dance-oriented music genre popular throughout Latin America.  It began as a courtship dance practiced among the African population on the Caribbean coasts of Colombia and Panama.  It later mixed with Amerindian and European instruments, steps and musical characteristics and spread throughout Latin America and abroad.  While other genres of Latin American music have remained associated with specific countries or regions, cumbia has grown to be one of the most widespread and unifying musical genres to emerge from Latin America.

Duerme Negrito: Duerme Negrito is a popular Latin American folkloric lullaby, originally an area near the Venezuelan and Colombian border.  The song was compiled by Atahualpa Yupanqui when visiting this region and popularized by himself and other musicians, such as Victor Jara, Mercedes Sosa, Jayme Amatnecks, Alfredo Zitarrosa and Daniel Viglietti, when touring around the world.

Born in Blood and Fire: Born in Blood and Fire: A Concise History of Latin America is a book by John Charles Chasteen, professor of history at the University of North Carolina at Chapel Hill.  Chasteen covers the history of Latin America from 1492 to the present with an integrative approach that follows a chronological framework.  The book is divided into chapters that address themes that were common throughout Latin America, such as colonialism, independence, progress, neocolonialism, nationalism, and revolution.  Other themes that frequently come up in the book include issues of race, ethnicity, and class as well as the formation of republics.  A timeline is provided at the beginning of the book; and various maps, photographs, and images are used throughout the book.  "Born in Blood and Fire" was originally published by W. W. Norton and Company in 2001.  Three other editions have been published since, the most recent in 2016.  Later editions include updates and expansion of colonialism, nationalism, the Cuban Revolution, and current political and economic issues.  W. W. Norton and Company published Chasteen’s companion reader entitled "Born in Blood and Fire: Latin American Voices" in 2011.  This book includes narratives from a variety of sources that illustrate life in Latin America during the last six centuries.  Many of these excerpts from books, essays, and newspaper articles were translated by Chasteen.  Other books by the author include "Americanos: Latin America’s Struggle for Independence", "Heroes on Horseback: A Life and Times of the Last Gaucho Caudillos", and "National Rhythms, African Roots: The Deep History of Latin American Popular Dance".  Chasteen is also known for his translation of Tulio Halperin Donghi’s "The Contemporary History of Latin America".

Cumbia pegassera: Cumbia pegassera is a distinctive style of cumbia, the Colombian and Panamanian music genre that is popular throughout Latin America.

Sovereignty of Puerto Rico during the Cold War: During the height of the Cold War, Latin America became a strategic pillar of the hemispheric defense doctrine, serving a key to the power struggle between East and West.  Following the Cuban Revolution and the overthrow of the friendly government of Fulgencio Batista, the United States became concerned with the spread of the Soviet Union's influence in Latin America, becoming heavily invested in retaining as much influence as possible.  With the nuclear arms race at its peak, a Soviet transfer of nuclear warheads to its Latin American ally in Cuba nearly concluded in the onset of World War III in October 1962.  Afterwards, the United States hardened its influence throughout Latin America, involving itself in what became known as the "Dirty War", a process that involved questionable actions including supporting or overthrowing governments depending on political leaning, supporting subversive groups such as the Contras with weaponry and funding, or participating in controversial operations such as Operation Charly and Operation Condor.  The fallout from these actions affect Latin America–United States relations to this day.

Cantora 1: Cantora 1 is a studio album by the late Argentine singer Mercedes Sosa.  It was released in 2009 and features duets with prominent Latin American recording artists.  It was certified platinum by the CAPIF.  This means that the album sold 40,000 copies in Argentina.

Supporting paragraphs: Duerme Negrito Mercedes Sosa
Answer: Argentina's Independence Day