King Munmu vs Odaenathus of Palmyra

Silla forces under King Munmu (then Prince) allied with Tang China to defeat the Baekje army at Hwangsanbeol. This victory led to the fall of the Baekje kingdom, a key step toward unification.

Silla forces under King Munmu, in coordination with Tang China, defeated the Goguryeo army at the Salsu River. This victory resulted in the fall of Goguryeo, completing the unification of the Three Kingdoms under Silla.

After the fall of Goguryeo, Tang China attempted to establish control over the Korean peninsula. King Munmu led Silla forces in a war against Tang, successfully expelling Chinese forces and securing Silla's dominance over the unified territory.

King Munmu formally established the Unified Silla Kingdom after expelling Tang forces. This marked the first time the Korean peninsula was unified under a single indigenous ruler, creating a period of peace and cultural flourishing.

After Roman Emperor Valerian was captured by the Sassanid king Shapur I, Odaenathus of Palmyra led a successful campaign against the Persians. He defeated Shapur's forces, drove them back across the Euphrates, and secured the Roman eastern frontier.

Roman Emperor Gallienus recognized Odaenathus as King of Palmyra and appointed him Corrector Totius Orientis (Governor of the East). This gave Odaenathus authority over the Roman eastern provinces, effectively making him the ruler of the Roman East.

Odaenathus led a military campaign against the Goths who were raiding Asia Minor. He successfully defeated them, further securing the Roman eastern provinces and demonstrating his military prowess.

Odaenathus was assassinated along with his eldest son Herodianus at Emesa. The assassination was likely orchestrated by his nephew or by his wife Zenobia. This event led to Zenobia taking power in Palmyra.