The battle of Petra was the last of the Greek War of Independence. Demetrios Ypsilantis ended the war started by his brother, Alexandros Ypsilantis, when he crossed the Pruth River eight and a half years earlier. As George Finlay stresses:
The final battle of the Greek struggle for independence was the Battle of Petra. The conflict that began with Alexandros Ypsilantis crossing the Pruth River eight and a half years earlier came to an end with Demetrios Ypsilantis' victory: as noted by George Finlay.