High Quality Content by WIKIPEDIA articles! The cuarta urna or fourth ballot box referendum was a plan by Honduran president Manuel Zelaya to run a non-binding referendum to consult the public regarding the administration of a second, binding referendum to convoke a constitutional assembly, which was planned to be polled concurrently with the November 2009 presidential, congressional, and mayoral elections (the first three ballot boxes). This plan was opposed by many Hondurans, including most politicians from the two largest parties, who argued that it was unconstitutional. When Zelaya pushed ahead with plans for this referendum (subsequently structured as a government-run `poll`) on whether to include a fourth ballot box (the second referendum), the Supreme Court issued a warrant for his arrest and the army expelled him from the country in a June 28 coup d`etat, precipitating the 2009 Honduran constitutional crisis.