The crossing of the Jarama at San Martín Historical milestone · San Martín de la Vega, Las Vegas, Madrid The rebel troops took by surprise in February 1937 the municipality's bridge and the nearby one at Pindoque in order to cross the river and cut the Valencia road. The front was then halted for almost three weeks of fighting. febrero de 1937 Photo: Ivan Lojo from España (CC BY 2.0) What to see and do in San Martín de la Vega