Conversation so far:
What happened at the battle of Zacatecas?
Pancho Villa's victory at the battle of Zacatecas in June 1914 broke the back of the Huerta regime.
How did Pancho Villa break the back of the Huerta regime?
After Pancho Villa's victory at Zacatecas in June 1914, Huerta left the country on 14 July 1914. The Federal Army collapsed, ceasing to exist as an institution.
Were there many casualties at the Battle of Zacatecas in 1914?
In the Toma de Zacatecas, the single bloodiest battle of the Revolution, Federal casualties numbered approximately 7,000 dead and 5,000 wounded, and unknown numbers of civilian casualties.
What was the reaction to the Toma de Zacatecas?
A memorial to and museum of the Toma de Zacatecas is on the Cerro de la Bufa, a key defense point where the Federal Army was entrenched.
Are there any other interesting aspects about the Pancho Villa article?
Since the colonial era, Zacatecas was the source of much of Mexico's silver, and thus a supply of funds for whoever held it.

Question: How long did the battle last?
Self-contained rewrite: How long did the battle of Zacatecas last?