Conversation so far:
How many trilogies by Aeschylus were there?
Was there anything that you thought was interesting about the Aeschylus trilogies article?
Another trilogy apparently recounts the entry of the Trojan ally Memnon into the war

Question: What happened during the Trojan Ally Memnon?
Self-contained rewrite: What happened during the Trojan Ally Memnon by Aeschylus?