When Annabeth was attacked by the Manticore, they both got thrown over a cliff's edge during a skirmish. She was caught by Luke and the General who was known as the person working closely with Kronos. Artemis later explains how she tried to save the people but she couldn't save Annabeth but she urges other gods to help them.
The Battle of Midway was significant because it marked the end of C - the Japanese eastward advance in the Pacifc. By many, the Battle of Midway seems to have been the decisive victory which ould men needed at the time.