(CNN) Here's a look at Venezuela, an OPEC member state that has the largest proven reserves of crude oil in the coalition.
(from the CIA World Factbook)
Area: 912,050 sq km, about two times the size of California
Population: 29,789,730 (2022 est.)
Median age: 30 years old
Capital: Caracas
Ethnic Groups: Spanish, Italian, Portuguese, Arab, German, African and indigenous groups
Religion: Roman Catholic 96%, Protestant 2%, other 2%
Unemployment: 6.9% (2018 est.)
Venezuela is located on the northern coast of South America, sharing a border with Colombia, Brazil and Guyana.
The country's formal name is the Bolivarian Republic of Venezuela.
Venezuela has proven oil reserves of approximately 303.468 billion barrels.
1520s - First settlement by Spanish explorers.
July 5, 1811 - Venezuela declares its independence from Spain, leading to more than ten years of war for independence.
1821 - The Spanish Army is defeated, and Venezuela becomes part of the Republic of Gran Colombia.
1829 - Venezuela breaks away from Gran Colombia to become an independent republic.
1958 - After decades of political instability and military rule, a coup leads to democratic reforms that culminate with a presidential election. Rómulo Betancourt is elected president.
February 1992 - A coup led by Hugo Chavez is defeated. Chavez spends two years in prison before the charges against him are dropped.
December 1998 - Chavez is elected president.
1999 - Chavez introduces a new constitution that extends his term and strengthens the executive branch while reducing the influence of the National Assembly. Voters approve of the changes via a referendum.
July 30, 2000 - Chavez is reelected.
April 2002 - Chavez is briefly ousted during a coup. He returns to power after two days of violent clashes.
December 2, 2002 - A national strike begins in protest of Chavez. The strike lasts more than two months and affects oil prices worldwide.
February 2, 2003 - Opposition leaders launch a petition drive, collecting signatures endorsing several demands including the immediate removal of Chavez.
June 3, 2004 - The National Electoral Council announces that the opposition has collected enough valid signatures to call for a referendum against Chavez.
August 15, 2004 - Initial results in the recall referendum show about 59% of Venezuelans voted to keep Chavez in office. The next day, observers led by former US President Jimmy Carter announce that they found no fraud in the recall election.
December 3, 2006 - Chavez wins reelection.
February 15, 2009 - A constitutional referendum passes allowing Chavez to run for another term in 2012.
May 24, 2011 - The United States imposes sanctions against seven companies, including the state-run oil company, for supporting Iran in the energy sector.
May 2012 - Chavez, battling cancer, appoints 10 people to a commission called the Council of State. The move prompts speculation about who will succeed him.
October 7, 2012 - Chavez is re-elected.
March 5, 2013 - Chavez dies of cancer at the age of 58. Vice President Nicolás Maduro becomes the interim president.
April 14, 2013 - Maduro narrowly wins the presidential election, with 50.8% of the vote, defeating opposition candidate Henrique Capriles.
September 30, 2013 - Maduro announces on state-run TV that he is expelling three US diplomats. He claims they were involved in acts to destabilize the country.
February 12, 2014 - Protests are held as the economy sputters and crime increases. Some demonstrations turn violent. At least three protestors die amid the unrest.
February 18, 2014 - Opposition leader Leopoldo López is arrested. He is charged with conspiracy and murder in connection with the demonstrations. He is later convicted and sentenced to more than 13 years in prison.
December 18, 2014 - The Venezuela Defense of Human Rights and Civil Society Act is signed into law by US President Barack Obama. The measure directs the United States to impose sanctions against Venezuelan officials who engage in human rights abuses.
February 20, 2015 - The mayor of Caracas is arrested and accused of being involved in a plot to overthrow the government. The opposition says the mayor's arrest is an attempt to divert attention from the country's economic woes.
March 9, 2015 - Obama issues an executive order meant to address the human rights crisis in Venezuela, with sanctions against seven individuals.
December 6, 2015 - Venezuela's opposition party wins the majority of seats in elections to the National Assembly, a repudiation of Maduro. It is the first major shift in power in the legislative branch since Chavez took office in 1999.
January 15, 2016 - Maduro declares a state of "economic emergency." The country's economic issues are rooted in falling oil prices, plummeting currency rates, power struggles within the government, the looming possibility of default and ongoing food shortages.
March 4, 2016 - Obama renews sanctions against Venezuela, declaring that the situation hasn't improved since his last executive order.
March 9, 2016 - In response to the sanctions, Maduro announces he's recalling Maximilien Arvelaiz, Venezuela's top diplomat in Washington.
August 1, 2016 - The government certifies a petition to begin the process of recalling Maduro. A top election official calls for an investigation into irregularities on the signature list.
October 2016 - The recall referendum to oust Maduro is halted amid allegations of voter fraud. Opposition lawmakers meet for a special session to discuss the possibility of impeaching Maduro. Pro-government protestors break into the assembly hall to disrupt the meeting.
March 29, 2017 - The Supreme Court strips the National Assembly of power. Opposition leaders say that the move is comparable to a coup. After several days of protests, the court reverses its ruling.
April 7, 2017 - Capriles announces via tweet that the government has barred him from holding public office for 15 years.
April 17, 2017 - Maduro orders armed forces into the streets following weeks of deadly, anti-government protests.
April 20-21, 2017 - At least 13 people are killed in a single 24-hour period as protests continue.
May 1, 2017 - Maduro announces that he has signed an executive order paving the way for changes in the constitution that will reshape the legislature and redefine his executive powers.
June 27, 2017 - A stolen police helicopter, allegedly piloted by an officer from Venezuela's investigative police force, circles around several high-profile buildings in Caracas, including the Ministry of the Interior and the Supreme Court. Photos show an occupant holding a banner that says, "Article 350 libertad," referring to an article in the Venezuelan constitution that allows citizens to oppose the government should it subvert democratic principles.
July 5, 2017 - On the anniversary of the county's independence, Maduro supporters storm the National Assembly and attack opposition lawmakers. At least seven legislative employees and five lawmakers are injured.
July 16, 2017 - Nearly 7.2 million voters participate in a non-binding referendum organized by the country's opposition parties. More than 98% of voters reject Maduro's proposed constitutional changes. The government condemns the referendum as illegal and calls for a July 30 vote to elect a special assembly to rewrite the 1999 constitution.
July 26, 2017 - Steve Mnuchin, the Treasury Secretary for US President Donald Trump, announces sanctions on 13 government and military officials tied to Maduro. Mexico and Colombia follow with sanctions on the same individuals.
July 30, 2017 - An election is held to replace the National Assembly with a new pro-Maduro legislative body called the National Constituent Assembly. Amid clashes between police and protestors, at least six people are killed. Although Maduro claims victory, opposition leaders say the vote is fraudulent.
July 31, 2017 - Mnuchin announces that all of Maduro's assets that are subject to US jurisdiction will be frozen and all US citizens are barred from dealing with him.
August 2, 2017 - The CEO of the company that provided technology for the July 30 election says there is a discrepancy of at least one million votes. A spokesman for the government's election council denies that any manipulation took place. During an interview with CNN, the attorney general says she has initiated an investigation into potential voter fraud.
August 5, 2017 - The Constituent Assembly holds its first session and issues its first order of business: firing the attorney general who is investigating allegations of voter fraud. A Maduro ally is sworn in as the interim attorney general.
September 24, 2017 - The Trump administration announces new travel restrictions on certain foreigners in eight countries, including Venezuela.
February 8, 2018 - A prosecutor from the International Criminal Court says a preliminary investigation will examine allegations of excessive force and other abuses by the government during anti-regime protests dating back to 2017.
May 20, 2018 - During an election denounced by opposition leaders and the international community, Maduro wins another six-year term. Voter turnout falls to 46%, down from an 80% participation rate in 2013.
August 4, 2018 - Several drones armed with explosives fly towards Maduro in an apparent assassination attempt during a military parade. The next day, the interior minister announces that six people have been arrested in connection with the attack. Maduro is not injured.
August 18, 2018 - Peru and Ecuador announce new restrictions on migration, as Venezuelans try to flee to neighboring countries. A mob of Brazilians destroys a migrant camp and several Venezuelans are attacked after a shop in a border city is robbed, according to Brazil's state news service.
September 8, 2018 - A report is published in the New York Times detailing secret meetings between US officials and Venezuelan military officers planning a coup against Maduro. CNN confirms the report, which describes a series of meetings over the course of a year. Ultimately, the US government decided not to back the coup.
January 10, 2019 - Maduro is sworn in for his second term, although most democratic countries in the region refuse to recognize him as president. The Organization of American States says its member nations voted 19-6, with eight abstentions, to not recognize the legitimacy of Maduro's government.
January 23, 2019 - Juan Guaido, who leads the National Assembly, declares himself the interim president amid anti-government protests. Following Guaido's announcement, Trump says that the United States recognizes him as the legitimate president. Maduro accuses the United States of backing an attempted coup and gives US diplomats 72 hours to leave the country.
January 24, 2019 - The United States orders all non-emergency government employees to depart Venezuela. US Secretary of State Mike Pompeo announces the United States is ready to provide humanitarian aid to assist with the effects of the proliferating crisis.
January 28, 2019 - The United States sanctions Venezuela's government-owned oil company. Guaido calls on British authorities to prevent Maduro from removing any of the country's gold held in the UK's central bank.
February 18, 2019 - Maduro's government announces that it will not accept foreign aid and intends to reroute the food to Colombia instead. Maduro has repeatedly refused to accept shipments of food and supplies from the United States and other countries.
February 21, 2019 - In a televised speech, Maduro announces that the country will close its border with Brazil.
February 23, 2019 - Maduro breaks off diplomatic relations with Colombia amid escalating tensions along the border over humanitarian aid.
March 8, 2019 - A power outage leaves more than 70% of the country without electricity. Government officials claim the blackout was caused by an act of sabotage but they do not present evidence to back the allegation. In the first 20 hours of the outage, at least four people die at hospitals, a source tells CNN.
March 11, 2019 - Maduro says that recovery from the blackout will be incremental, with power being restored "little by little." He claims, without providing evidence, that the United States attacked the country's infrastructure in an "electronic coup." Separately, Pompeo announces that the United States is withdrawing all of its remaining diplomatic personnel from the embassy in Caracas.
March 13, 2019 - The country's information minister announces that power has been completely restored.
March 25, 2019 - A second power outage hits parts of Caracas.
March 29, 2019 - A third blackout occurs in areas of Caracas.
April 30, 2019 - During a live televised address, Maduro claims troops loyal to him defeated an attempted "coup." Pompeo tells CNN that Maduro had been preparing to depart the country via airplane but Russians convinced him to stay. A spokeswoman for the Russian foreign ministry says Pompeo's claim is false.
July 4, 2019 - The UN High Commissioner for Human Rights report on Venezuela is published. Based on research conducted January 2018 to May 2019, the report "highlights patterns of violations directly and indirectly affecting all human rights." It offers a list of recommendations that the Venezuelan government should act on immediately.
August 5, 2019 - President Trump announces his executive order expanding sanctions against Venezuela. The new order freezes assets of the government of Venezuela and associated entities and prohibits economic transactions with it, unless specifically exempted. Exemptions include official business of the federal government and transactions related to the provision of humanitarian aid.
October 17, 2019 - Venezuela wins a seat on the United Nations Human Rights Council.
January 5, 2020 - Guaido and Luis Parra are named National Assembly presidents by separate groups of legislators.
January 7, 2020 - Guaido is briefly blocked from entering Venezuela's National Assembly building by soldiers in riot gear, before he and fellow opposition lawmakers force their way in.
March 26, 2020 - The US Justice Department announces narco-terrorism and other criminal charges against Maduro and senior leaders from his government. US prosecutors say that Maduro and top parliamentary, military and judiciary officials lead the so-called Cartel de los Soles, a group the US has long said was made up of corrupt current and former Venezuelan military members involved in trafficking and other crimes.
June 19, 2020 - A report by the Robert F. Kennedy Human Rights organization claims the government is using "enforced disappearances" as a tool of political repression. According to the report, Maduro's security forces use enforced disappearances to silence prominent political opponents, to set an example for the wider population, to instill fear in political opponents, or to extract valuable information.
December 7, 2020 - The electoral board announces that candidates supporting Maduro have secured control of the national congress after a parliamentary election which opposition leaders boycotted over accusations of fraud.
August 29, 2022 - In a meeting between Maduro and Colombian ambassador Armando Benedetti, Venezuela and Colombia reestablish diplomatic relations.
September 20, 2022 - A UN report documents alleged crimes against humanity in Venezuela, including acts of torture committed by Venezuelan security forces. On October 11, Venezuela loses its seat on the UN Human Rights Council.