In December 1991, a series of events spelled the end of the Soviet Union—and each has been put forth as the date the Union truly broke up. On December 8, the presidents of Russia, Ukraine, and Belarus declared the Soviet Union dissolved. Two weeks later, on December 21, representatives of most of the remaining Soviet states signed an agreement confirming the dissolution. On December 25, Soviet President Mikhail Gorbachev resigned from office. The following day, what final step was taken? Discuss
Source: The Free Dictionary