Changes

''"La Semana Tragica"'', or the tragic week, begins on January 7, 1919, when police launch a crack down on militant workers, who had been striking for several days, at the Vasrna Metallurigical plant, killing some. In retaliation, a general strike, backed by anarchists and syndicalists, was called for January 10 and 11.  

''"La Semana Tragica"'', or the tragic week, begins on January 7, 1919, when police launch a crack down on militant workers, who had been striking for several days, at the Vasrna Metallurigical plant, killing some. In retaliation, a general strike, backed by anarchists and syndicalists, was called for January 10 and 11.  

Placing the city under martial law, President Yrigoyen appointed Colonel Luis Dellepiane as the commander of riot control forces, after which disturbances subsided. The 5th and 12th Cavalry Regiments arrived on 12 January, and 300 marines and a mountain artillery regiment also entered Buenos Aires. On the morning of 13 January 1919, a group of anarchists attempted to seize arms and ammunition from a local police station but were forced to retreat after coming under fire from a marine detachment from the Argentine Navy Cruiser "San Martin". The role of young army lieutenant Juan Doming Peron, future president of Argentina, is disputed by historians. The leftist Vanguardia newspaper claimed that over 700 deaths were recorded on Tragic Week, as well as 2,000 injured. Professor Patricia Marchak estimates the total number of workers killed in the uprising and immediate aftermath at more than 100. The conservative La Nación newspaper reported the number of workers killed in the uprising at around 100 and 400 injured. The police forces suffered 3 killed and 78 wounded.  

Placing the city under martial law, President Yrigoyen appointed Colonel Luis Dellepiane as the commander of riot control forces, after which disturbances subsided. The 5th and 12th Cavalry Regiments arrived on 12 January, and 300 marines and a mountain artillery regiment also entered Buenos Aires.<ref>[http://news.google.com/newspapers?id=vbxJAAAAIBAJ&sjid=2goNAAAAIBAJ&pg=4583,2109521&dq . ACTS OF ANARCHY CONTINUE. The News and Courier, 13 January 1919]</ref>On the morning of 13 January 1919, a group of anarchists attempted to seize arms and ammunition from a local police station but were forced to retreat after coming under fire from a marine detachment from the Argentine Navy Cruiser ''San Martin''.<ref>The Tragic Week of January, 1919, in Buenos Aires: Background, Events, Aftermath, John Raymond Hébert, Page 159, Georgetown University, 1972.</ref>A young army lieutenant in charge of a platoon that machine-gunned hundreds of attacking militants workers was Juan Doming Peron, the future president of Argentina.<ref>God's Assassins: State Terrorism in Argentina in the 1970s, Patricia Marchak, p.47, Mcgill Queens University, 2002</ref> The leftist Vanguardia newspaper claimed that over 700 deaths were recorded on Tragic Week, as well as 2,000 injured. Professor Patricia Marchak estimates the total number of workers killed in the uprising and immediate aftermath at more than 100. The conservative La Nación newspaper reported the number of workers killed in the uprising at around 100 and 400 injured. The police forces suffered 3 killed and 78 wounded.

==1920s violence==

==1920s violence==