Gwanggaeto the Great vs Philip II of Macedon

Gwanggaeto the Great conquered the Lelang Commandery, a Chinese commandery located in the Korean peninsula. This victory eliminated Chinese influence in the region and brought the territory under Goguryeo control. It marked a significant expansion of Goguryeo's territory and power.

Gwanggaeto the Great launched campaigns against the Xianbei and Khitan nomadic confederations in Manchuria. He defeated them, securing Goguryeo's northern borders and expanding its influence into Manchuria. These campaigns demonstrated Goguryeo's military strength and protected its territory from nomadic incursions.

Gwanggaeto the Great led a military campaign that subjugated the Baekje kingdom, forcing it to become a vassal state of Goguryeo. He captured the Baekje capital, Hansung, and took the Baekje king as a hostage. This victory made Goguryeo the dominant power on the Korean peninsula.

After Gwanggaeto's death, his son King Jangsu erected a large stele in his honor at the site of his tomb in Ji'an, China. The stele is inscribed with a detailed account of Gwanggaeto's conquests and achievements. It is a crucial historical source for understanding Goguryeo's history and territorial extent.

Philip II reorganized the Macedonian army, introducing the sarissa (long pike) and the phalanx formation. He also improved cavalry tactics and logistics, creating a professional, disciplined force that was superior to Greek hoplite armies.

Philip II led the Macedonian army to a decisive victory over the combined forces of Athens and Thebes at Chaeronea. The battle ended Greek independence and established Macedonian hegemony over Greece. Philip's son Alexander commanded the cavalry on the left wing.

Philip II established the League of Corinth, a federation of Greek states under Macedonian leadership. The league declared war on Persia and appointed Philip as its commander-in-chief, laying the groundwork for Alexander's later invasion.

Philip II was assassinated by his bodyguard Pausanias at the wedding of his daughter Cleopatra in Aegae. The motive remains unclear, but his death led to the immediate succession of his son Alexander the Great, who continued his plans for the Persian invasion.