The most significant battles of Alexander the Great?

During the campaign to the east, Alexander the Great was able to achieve more than one brilliant victory. His very first major victory was the battle on the Issa River. It happened in 333 BC. There he first met King Darius 3. In this battle, the 100 thousandth army of the Persians was defeated. Then, in 331 BC, the next great battle took place. It was a general battle – at Gaugamela. Here the Persian king gathered a huge army. True, Alexander was still able to win. The third major victory was the battle on the Hydasp River with the Indian king, Porr. As a result of the battle, both sides suffered heavy losses, but the Greco-Macedonian army was still able to win.