Percy Jackson fanfiction. In 1920, Sally Jackson moved to the Soviet Union to escape her father, who was a ruthless man. She falls in love with a Greek god named Poseidon, who leaves Sally with her only son, Percy Jackson. Adolf Hitler invades and annexes Poland, starting the Second World War, and by the time Percy was 16, he was already at the front lines of the Red Army. No Offence to anyone sensitive to these topics