Venezuela opposition leader Juan Guaido went Raila Odinga style of declaring himself acting president of the country as crisis escalates.
More than 50 countries have since recognized him as leader while others continue to back President Nicolas Maduro.
Here is a recap of key developments over the last few turbulent weeks.
January 23: At a rally in Caracas of tens of thousands of people demanding that Maduro quit, Guaido — head of the opposition-controlled National Assembly — declares himself to be acting president.
Condemning Maduro’s “usurpation” of power, he pledges to form a transitional government and hold free elections.
US President Donald Trump immediately recognises Guaido, as do Canada and major Latin American powers.
Venezuela’s opposition, Washington and other countries had already dismissed as fraudulent the May 2018 election that gave Maduro a second term, which started on January 10.
MADURO
Maduro gets the support of allies such as China, Cuba, Mexico, Russia and Turkey.
January 24: Venezuela’s military high command also throws its weight behind Maduro.
January 26: Six European countries say they will recognize Guaido as president unless Maduro calls elections within eight days.
January 28: Washington imposes sanctions on Venezuela’s state oil company PDVSA.
The following day, it hands control of Venezuela’s bank accounts in the United States to Guaido.
The Venezuelan judiciary bars Guaido from leaving the country and freezes his accounts.
The United Nations says protests the week before left more than 40 people dead.
January 30: Thousands of opposition protesters, led by Guaido, call on Venezuela’s military to abandon Maduro and allow much-needed humanitarian aid into the country.
Guaido presents a “rescue plan” to address Venezuela’s “humanitarian emergency”.
February 2: Tens of thousands of people demonstrate in Caracas, some demanding Maduro’s resignation and others celebrating the 20th anniversary of the start of the socialist presidency of his mentor and predecessor, Hugo Chavez.
February 4: Some 20 European countries recognize Guaido, after Maduro rejected their ultimatum to announce new presidential elections.
February 7: The Venezuelan army blocks the Tienditas bridge on the border of Colombia where several vehicles loaded with food and medicines are waiting to enter the country.
Maduro vows to prevent what he calls a “fake” aid “spectacle,” seeing it as the precursor of an US military intervention.
February 12: Guaido announces that US aid will enter Venezuela on February 23, which would be one month since he declared himself to be president.
Washington says 25 countries have pledged $100 million in aid to Venezuela.
February 16: Guaido says that he has enlisted the support of thousands of people to help bring in aid from Colombia, Brazil and the Dutch island of Curacao.
February 19: Guaido calls on military chiefs to choose “between serving Maduro or serving the homeland.”
To block the entry of opposition-collected aid, Venezuelan authorities close the maritime border and suspend links with Curacao and the nearby Netherlands Antilles islands of Aruba and Bonaire.
February 21: Maduro also shuts the border with Brazil, another potential aid entry point, and threatens to close that with Colombia.
Guaido sets out in a convoy of vehicles to personally pick up US aid being stockpiled on the other side of the Colombian border, defying Maduro’s military to stop him.
February 22: Russia accuses the United States of using aid deliveries to Venezuela as a ploy to carry out military action against Maduro’s government.
Venezuelan soldiers kill two people when they tried to prevent the troops from blocking an entry route for aid on the Brazilian border, a rights group says.
February 23: Guaido attends an aid benefit concert organized by British billionaire Richard Branson on the Colombian side of the Tienditas bridge after claiming to have been helped out of Venezuela by the military.
Guaido meets with US Vice President Mike Pence in Bogota on February 26 at a meeting of the Lima Group attended by regional allies.
February 28: Guaido vows to return home “in the coming days… despite threats” from Maduro’s regime that he will be arrested.
After touring South America to meet allies in Brazil, Argentina, Paraguay and Ecuador, Guaido returns home to thousands of cheering supporters on March 4.