Latin Victory

In between 673-642,the Romans and Albans (Alba Longans) agreed to a contest of champions for land.In OTL,the brothers Horatii (of Rome) defeated the brothers Curatii (of Alba Longa).However,What If the Curatii won?

Point of Divergence
The brothers Curatii don't fall for the last of the Horatii's trick.They kill him. Tullus Hostillus is deposed and the Alban dictator crowned himself King of Rome and Alba Longa.

Effects

 * The Etruscan League rules Central Italy for a while.
 * The formation of the Celtic Victory.
 * A more powerful Middle East converts to Christianity.
 * Islam never forms.