Poland in WW2: Szare Szeregi, and "Minor Sabotage"
In September 1939, during the German invasion of Poland and after the fall of Warsaw, a young Polish student named Elżbieta Zahorska tore down a German poster. Soon after, she was executed for her act; her death, however, did not discourage others as intended- it inspired an entire new branch of Polish resistance, called minor sabotage.
"On walls around the city, drawings began to appear that would henceforth be known as the symbols of Warsaw’s underground resistance. "Instructions" were passed by word of mouth among Poles- don’t read German publications, don’t go to movie theaters. The acts of "minor sabotage" were meant to make the lives of German occupiers more difficult; to continously show them, through these seemingly small acts that they could not ignore, that Poland lived, that Poland was fighting, that Poland had not yet given up."
Minor sabotage was often carried out by scouting organizations such as Szare Szeregi, as well as on a larger scale: thousands were soon involved in minor sabotage. During two weeks in March and April 1942 when the kotwica symbol was introduced, it was painted all around Warsaw by a 400-strong dedicated team.