Carranza’s term as president was due to end in December 1920, he attempted to force the election of his chosen successor, Ignacio Bonillas, despite opposition his generals. This led an armed rebellion in April 1920, and Carranza fled the capital. When he headed for Veracruz with government records and treasure, his train was attacked. With a few followers, he fled on horseback into the mountains. On the night of May 20/21 he was betrayed and murdered.