13 August 1937,
Three Republican planes bombed Tudela. Around 18:00, Tupolev SB-2 passed over the Russian people 2,000 meters high and released nine 25-pound explosives. Despite their goals as the power station, telephones, the Civil Guard headquarters and the Ebro Bridge, they did not reach any and left at least 13 dead and 23 wounded. The total number of bombings in the Basque Country was 2,042, 92% were carried out by Francoists, 8% by Republicans.