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
What happened during the Trojan Ally Memnon by Aeschylus?
Trojan ally Memnon's death at the hands of Achilles
What was the name of one of the trilogies by Aeschylus?
A trilogy by Aeschylus is The Salaminian Women
What happened in The Salaminian Women by Aeschylus?
The Salaminian Women suggest a trilogy about the madness and subsequent suicide of the Greek hero Ajax;
When was the Salaminian Women written by Aeschylus?
Was there any other trilogies by Aeschylus named besides The Salaminian Women?
A triology by Aeschylus is the Oedipus trilogy
What happen in the Oedipus trilogy by Aeschylus?
The final play in the Oedipus Trilogy, Seven Against Thebes, tells the story of Eteocles and Polynices, the sons of the shamed King of Thebes, Oedipus.

Question: When was the last trilogies written?
Self-contained rewrite: When was the last trilogies by Aeschylus written?