9 events the sources record for this year, grouped by region.
What happened
West Asia (5)
Alcibiades leaves the fleet in Antiochus's charge and departs (leading to the clash near Notium) (Plutarch's Parallel Lives Plut. Alcibiades 35)
While Alcibiades goes to see Thrasybulus at Phocaea, Antiochus passes by Ephesus and fights a battle; the Athenians lose fifteen ships at Notium. (Xenophon, Hellenica 1.5.11–1.5.14)
Callicratidas takes over the fleet from Lysander and gathers it at Miletus, and asks Cyrus for pay, but is only told to wait two days. (A lunar eclipse, a fire in the old temple of Athena at Athens, the archonship of Callias.) (Xenophon, Hellenica 1.6.1–1.6.7)
An Athenian relief fleet of more than 110 ships passes Samos and dines on the Arginusae islands; Callicratidas, with 120 ships, dines at Malea on Lesbos. (Xenophon, Hellenica 1.6.24–1.6.28)
Battle of Arginusae: Callicratidas is thrown into the sea and dies, and the Peloponnesian fleet is routed. Athens loses twenty-five ships, the Laconians nine, and allied ships more than sixty. (Xenophon, Hellenica 1.6.33–1.6.34)
Methymna refuses to surrender, and Callicratidas takes it by storm; the Greeks are not to be sold, so only the Athenian garrison and slaves are sold. (Xenophon, Hellenica 1.6.13–1.6.14)
Conon loses thirty ships at the mouth of the harbor of Mytilene, and his remaining forty ships are dragged up under the walls and blockaded. (Xenophon, Hellenica 1.6.16–1.6.18)
Right after the Apaturia festival, at the Athenian assembly, Callixeinus's motion to try the six generals together is carried. (Xenophon, Hellenica 1.7.8–1.7.9)