Question: What was the battle cited as at which John Brown commanded forces during the Kansas campaign and took place on June 2, 1856?
Sentence (from "Polyxenidas"): Lucius Aemilius Regillus, who soon after succeeded Livius in the command of the Roman fleet, also attempted without effect to draw Polyxenidas forth from the port of Ephesus : but at a later period in the season Eumenes, with his fleet, having been detached to the Hellespont while a considerable part of the Rhodian forces were detained in Lycia, the Syrian admiral seized the opportunity and sallied out to attack the Roman fleet.
Relevant evidence: No