Did you do that?" "No," Picasso replied, "you did"

In occupied Paris, a Gestapo officer who had barged his way into Picasso's apartment pointed at a photo of the mural, Guernica, asking: "Did you do that?" "No," Picasso replied, "you did", his wit fizzing with the anger that animates the piece. Work started weeks after German bombers had unleashed an early dose of Blitzkreig on the Basque town from which the work takes its name. It was first shown at the world fair in Paris, supposedly a showcase for scientific progress, but the deaths of hundreds of civilians in a small Spanish town proved technology's darker side
.....

a full-size tapestry copy will form part of an installation by artist Goshka Macuga. It is borrowed from the UN, where it normally hangs outside the security council chamber. When Colin Powell was setting out the American case for war against Iraq in 2003, it was decided it would be "appropriate" to cover it up, a tale that offers a powerful rejoinder to Wildean quips about all art being perfectly useless.


https://www.theguardian.com/commentisfree/2009/mar/26/pablo-picasso-guernica-spain-war