Original: The peak in kamikaze attacks came during the period of Aprilâ '' June 1945 , at the Battle of Okinawa . On April 6 , 1945 , waves of planes made hundreds of attacks in Operation Kikusui ( '' floating chrysanthemums '' ) .
Simplified: The high point of kamikaze attacks came from April 6 to May 25 , 1945 during the Battle of Okinawa , in Operation Kikusui ( '' floating chrysanthemums '' ) .