Battle of Badr Abu Jahl. For the early Muslims the battle was the first sign that they might eventually defeat their enemies among the Meccans. Mecca at that time was one of the richest and most powerful cities in Arabia, fielding an army three times larger than that of the Muslims. The Muslim victory also signaled to the other tribes that a new power had arisen in Arabia and strengthened Muhammad's position as leader of the often fractious community in Medina. The battle also established the position of Ali ibn Abi Talib as the best fighter among the Muslims, as he alone killed
Battle of the Hellespont from Byzantium. Constantine's army then defeated Licinius' at the Battle of Chrysopolis; this victory was the final battle in the conflict, Licinius surrendered himself following the battle. Constantine consequently became the sole master of the Roman Empire. Battle of the Hellespont The Battle of the Hellespont, consisting of two separate naval clashes, was fought in 324 between a Constantinian fleet, led by the eldest son of Constantine I, Crispus; and a larger fleet under Licinius' admiral, Abantus (or Amandus). Despite being outnumbered, Crispus won a very complete victory. Following his defeat at Adrianople, in Thrace, Licinius and his main army