740 BCE740 BC – Start of Ahaz's reign of Judah. 740 BC – Tiglath-Pileser III conquers the city of Arpad in Syria after two years of siege. 740 BC – Dotades of Messenia wins the stadion race at the tenth Olympic Games.In the 740s BC, the 8th century BC.Conflict & Security740 BC – Start of Ahaz's reign of Judah.source740 BC – Tiglath-Pileser III conquers the city of Arpad in Syria after two years of siege.sourceCulture & Society740 BC – Dotades of Messenia wins the stadion race at the tenth Olympic Games.sourceNearby← 730 BCE743 BCE →