Army Lt. Col. Hugo Chavez, who led a 1992 attempted coup, speaks to reporters on March 26, 1994, after he was freed from jail. Chavez was freed after charges were dropped against him for leading the first of two attempted coups against the government of former President Carlos Andres Perez, who was later removed from office. BERTRAND PARRES/AFP/Getty Images

Venezuelan president-elect Chavez visits Bogota, Colombia, on December 18, 1998. On December 6, Chavez had been elected the youngest president in Venezuela history. MARCELO SALINAS/AFP/Getty Images

President Chavez greets supporters with his then-wife, Marisabel Rodriguez de Chavez, beside him as he arrives to preside over a parade in his honor on February 4, 1999, in Caracas. Chavez was sworn in as president on February 2. BERTRAND PARRES/AFP/Getty Images

Chavez inspects military maneuvers of the national Air Force on March 17, 2001, in Catilletes near the border with Colombia. In June 2000, Chavez was re-elected to the presidency for a six-year term, under the new constitution created by his government in 1999. EGILDA GOMEZ/AFP/Getty Images

People try to take shelter from gunshots fired near Altamira Square in Caracas on August 16, 2004. At least three people were wounded by gunshots after Chavez supporters fired on opposition demonstrators, police said. A vote to recall Chavez as president failed on August 15. Stringer/AFP/Getty Images

Chavez, left, stands in front of supporters with Fidel Castro of Cuba, center, and Evo Morales of Bolivia, right, during a rally at the Plaza de la Revolucion in Havana, Cuba, on April 29, 2006. ADALBERTO ROQUE/AFP/Getty Images

Chavez meets with Pope Benedict XVI at his private library on May 11, 2006, in Vatican City. Pool/Getty Images

Chavez embraces Iranian President Mahmoud Ahmadinejad, right, in Tehran, Iran, on July 1, 2007. The two presidents have enjoyed a close relationship and Chavez has referred to Ahmadinejad as his "ideological brother." BEHROUZ MEHRI/AFP/Getty Images

Chavez speaks during a rally in Caracas on November 18, 2008. Chavez pushed to change term limits in Venezuela through a referendum that passed on February 15, 2009, clearing the way for him to run for a third six-year term. THOMAS COEX/AFP/Getty Images

Chavez, right, gives a copy of the book, "The Open Veins of Latin America" by Eduardo Galeano to President Barack Obama during a multilateral meeting at the Summit of the Americas in Port of Spain, Trinidad, on April 18, 2009. JIM WATSON/AFP/Getty Images

Chavez, right, greets Russian Prime Minister Vladimir Putin during his visit to the presidential palace in Caracas on April 2, 2010. JUAN BARRETO/AFP/Getty Images

Chavez salutes to the audience after passing a law in Caracas on November 12, 2011. Chavez has undergone several rounds of cancer treatment in Cuba, beginning in 2011. JUAN BARRETO/AFP/Getty Images

Chavez participates in a ceremony at the Miraflores presidential palace in Caracas on January 27, 2012. JUAN BARRETO/AFP/Getty Images

Chavez, left, jokes with American actor Sean Penn, right, during his visit to Miraflores presidential palace in Caracas on February 16, 2012. Penn thanked Chavez for the support given by the Venezuelan government to his nongovernmental organization, which benefits victims of the 2010 Haiti earthquake. LEO RAMIREZ/AFP/Getty Images

Chavez acknowledges supporters on the streets of Caracas while on his way to the airport to travel to Cuba for ongoing cancer treatment on February 24, 2012. LEO RAMIREZ/AFP/Getty Images

Chavez gestures to the crowd during his closing campaign rally in Caracas on October 4, 2012. The leftist leader won a fourth term on October 7, extending his presidency to 2019. LUIS ACOSTA/AFP/GettyImages

A handout picture released by the Venezuelan presidential press office on Friday, February 15, 2013, shows Chavez surrounded by his daughters and holding the February 14 edition of the official Cuban newspaper Granma at a hospital in Havana, Cuba. AFP/Getty Images