Alexander III was a king of Macedonia who reigned from 336 to 323 BC. He is often referred to as Alexander the Great due to his extraordinary military conquests. Under his leadership, he created one of the largest empires in ancient history, stretching from Greece to Egypt and into parts of India. His tactics and strategies in battle are still studied today. Born in 356 BC, Alexander was the son of King Philip II and Queen Olympias. He was tutored by the philosopher Aristotle, which greatly influenced his thinking and leadership style. Alexander's legacy includes the spread of Hellenistic culture and the founding of many cities, including Alexandria in Egypt.