On August 28th:

489 - Theodoric, king of the Ostrogoths defeats Odoacer at the Battle of Isonzo, forcing his way into Italy.
1609 - Henry Hudson discovers Delaware Bay.
1884 - First known photograph of a tornado is made.
1937 - Toyota Motors becomes an independent company.
1974 - Geir Hallgrímsson became Prime Minister of Iceland
2007 - Caedmon's Call releases new album: "Overdressed"