Yiannis Dyovouniotis

[4] Around the same time he met with Athanasios Diakos who decided to halt the Ottoman advance into Roumeli by taking defensive positions near Thermopylae.

[4] After the end of the battle, he called on the chiefs to close the passage to the Vasilika of Boeotia, believing that the Ottomans would seek to pass through that point.

On the eve of the battle, Hurshid Pasha was forced to exchange Dyovouniotis' son with an Ottoman soldier who had been taken hostage by the Greeks.

[4] His most important contribution during the Greek War of Independence was his intelligent plan to intercept the army of Beyran Pasha at the Battle of Vasilika on August 26, 1821.

The victory in this battle thwarted the Ottomans' plans to strengthen the besieged Tripolitsa and destroy the Greek Revolution.