sentences:  On May 21, 1939, as General Herrera was arriving to the Presidential Palace for a ceremony, he saw a red flag hanging from one of the balconies and in a sudden impulse grabbed it and tore it down.The "flag incident" was picked up as an insult to the new government and a formal inquiry was instituted in order to remove him from his command.He was eventually forced into retirement, and immediately started to conspire to bring down the government.