Here is an excerpt (Upon hearing that American "demons" would torture and kill their prisoners, many Okinawans committed suicide to face their death honorably rather than suffer at the hands of the enemy. Mothers jumped holding their children to save them both from severe cruelty.
There is a story of a schoolteacher who took her class out to the cliffs on June 19, 1945. They were dressed in uniform and sang their anthem before jumping off the cliffs. A monument is now dedicated to them at this site at Humeyuri-no-to) from (www.21stcenturyadventures.com/articles/TheOkinawanSuicideCliffs.html), hope it helps.