El Guernica, one of Pablo Picasso’s most emblematic works and one of the greatest masterpieces of the 20th century, and possibly the painting that best embodies the pain and irrationality of war, has turned 75. 2012 also marks the 30th anniversary of its arrival in Spain during the years of the Transition. There are as many Guernicas as there are beholders, there are as many Spanish Transitions as there were citizens to witness it. We confront some of them.