Civilisations that Collapsed
An alliance between Mitanni and Egypt and the fall and rise of Hattusi 1387 - 1360 BC
In less than a quarter of a century, the Hittite Empire almost disappears and Egypt forms an alliance with the rebel Arzuwa states and Mitanni.
By Nick Nutter | Published: 2024-10-5 | Updated: 2025-05-18
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Kings in 1387 BC

Hittites Tudhaliya II co ruling with Arnuwanda I
Kassite Babylon - Kadashman-Harbe I
Mitanni Artatama I
Assyria Ashur-nadin-ahhe II
c 1387 BC Amenhotep III becomes Pharoah of Egypt (until c 1348 BC)
To solidity friendships between the Great Powers, during his reign, Amenhotep married two Mitanni princesses, Gilu-Hepa and Tadukhipa, and maintained alliances with Kassite Babylon. He also married three of his daughters, including his first-born daughter Sat-Amun, who became a Great Royal Wife about 1358 BC on the occasion of Amenhotep's First Jubilee.
During the first years of his reign, there was a Regency Council dominated by Mutemuia, Amenhotep's mother and secondary wife of his predecessor, Thutmose IV. About 1360 BC, his son, Amenhotep IV, who would become pharaoh Akhenaten, was appointed co-regent.
The jealousy between the Priests of Amun and the pharaonic court rumbled on into the reign of Amenhotep III. He appears to have come away from his father's idea of personifying the sun god Ra. His inscriptions and memorials up until the co-regency period associate Amenhotep with a number of gods in the Egyptian pantheon. To further distance himself, Amenhotep moved away from Thebes, building new palaces at Malkata and El Fayum.
c 1385 BC Amenhotep III marries Tiy
Pharaohs since Hatshepsut, over one hundred years previously, had kept their wives firmly out of the way in the harem to curb their influence in court. Amenhotep broke with this tradition and Tiy became a true shadow ruler and appeared in frescoes and statuary alongside her husband.
c 1380 BC Shuttarna II becomes King of Mitanni (until c 1360 BC)
A Strategic Marriage Between Mitanni and Egypt
'the princess was escorted by 317 ladies-in-waiting, women from the Mitanni king's royal palace.'
Gilu-Hepa assumed the title of "Secondary King's Wife," a position subordinate to Amenhotep III's primary consort, Queen Tiye.
Safeguarded by this alliance, Egypt enjoyed an unprecedented era of peace, stability, and prosperity under Amenhotep III's reign. This idyllic period contrasted starkly with the turmoil experienced by the Hittite Empire, which faced invasions from multiple fronts, bringing it to the brink of collapse. Recognizing Hatti's weakened state, Amenhotep sought to establish an alliance with the rising power of Arzawa in western Anatolia. However, the Hittites defied expectations, recovering their strength, and engaging in a protracted conflict with Mitanni. Despite this regional instability, Egypt maintained cordial relations with both powers, opting for neutrality as its thriving economy, robust administration, and opulent treasury ensured domestic tranquillity and enabled the construction of monumental architectural structures.
c 1380 Eriba-Adad I becomes King of Assyria (until c 1353 BC)
c 1380 Attar-kittah becomes King of Elam (until c 1370)
c 1380 BC - Kaska Tribes Threaten Hatti
The Kaska were a tribe that lived in the mountains between the core Hittite region in eastern Anatolia and the Black Sea. They first appear in written records about 1450 BC and posed a perennial threat to the Hittites being, at times, able to raise an army of 9,000 warriors and eight hundred chariots. When not engaged in raiding or offering themselves as mercenaries, they raised pigs and wove linen.
The Kaska people are first mentioned in Hittite prayer inscriptions dating back to the reign of Hantili II (circa 1450 BC), which reference their encroachment into the ruins of the sacred city of Nerik. During the reign of Hantili's son, Tudhaliya II (about 1430 BC), Hittite records indicate that Tudhaliya's third military campaign was directed against the Kaska tribes. Tudhaliya's successor, Arnuwanda I, composed prayers seeking divine intervention to return Nerik to Hittite control. He also named Kammama and Zalpuwa as cities that he claimed had once been part of the Hittite empire but were now under Kaska dominion. Arnuwanda attempted to appease some of the Kaska tribes by offering them tribute.
c 1374 BC Kadashman-Enlil I becomes King of Kassite Babylonia (until c 1360 BC)
c 1370 BC Humban-numena I becomes King of Elam
c 1360 BC Artashumara becomes king of Mitanni
Whilst assassinating a sitting monarch may seem extreme, it was not an uncommon occurrence during the bronze age. Kings were expected to be superior warriors. Their fitness to govern was measured by how successful they were in battle, how much territory they could acquire and how much loot they could obtain. Kings that failed to live up to expectations could expect to lose their crown and the head on which it was placed.
c 1360 BC Tudhaliya III becomes King of the Hittites (until c 1350 BC)
The Sacking of Hattusa
The sacking of the Hittite capital signified a near-fatal blow to the empire and the relocation of the royal court to Samuha only a temporary reprieve as this city was taken by Hayasa-Azzi soon afterwards and Tudhaliya was obliged to relocate to the secondary capital of Sapinuwa. It is likely that the Kaska alliance also destroyed Sapinuwa.
Even Pharoah Amenhotep III thought this may be the end for the Hittites, writing to Tarhundaradu, king of Arzawa;
"I have heard that everything is finished and that the country of Hattusa is paralysed"
and asks Tar hundaradu to send him some of the Kaska people of whom he had heard.
Despite the failure of the Assuwa rebellion only thirty years previously, Arzawa was still a power to be reckoned with and an obvious one to fill a void left by a collapsing Hittite Empire.
An Alliance between Arzawa and Egypt
It is worth looking at the correspondence in more detail. The first Armana letter, EA 32, is in a museum in Berlin. The first letter seems to refer to a verbal request for a bride that Tarhundaradu did not trust and is a written response back to Amenhotep.
'See, this message which Kalbaya spoke to me' (saying): 'Let us make ourselves a marriage-alliance, [now] I do not trust Kalbaya. He spoke it verbally, but on a tablet it was not set down. Now if truly my daughter you are seeking, will I not indeed give (her) to you? (Of course) I will give (her) to you! Now dispatch Kalbaya back to me with my envoy in haste, and write back this matter to me by tablet.
The scribe who reads this tablet may Nabu king of wisdom and the Sun-God of the Gatehouse duly protect him,
and may they duly hold (their) hands around you! You, Scribe, duly write to me, also put your own name after. The tablets which they will bring, always write in Hittite.'
The second, CG 4741, is in the Egyptian museum in Cairo.
'Thus says Nimuwaria (the scribe), Great King, King of the land of Egypt, to Tarhundaradu, King of the land of Arzawa, speak. With me (it is) well, my houses, my wives, my sons, the nobles, my army, my horse, anything of mine within my lands all (is) well. With you may all be well, your houses, your wives, your sons, the nobles, your army, your horse, anything of yours
See, I have sent you Irrappa, my envoy. Let us see the daughter whom they will bring to My Majesty for marriage. For her (he will?) pour oil on her head. See I have sent you one nice gold (zu)halaliya. The works for which you wrote to me (saying): Send them to me, I will send them to you afterwards. Dispatch back to me your envoy and my envoy at once and let them come, and they will come and bring you the bride-price for your daughter my envoy, but the envoy who came (as) yours, he has died (?). Bring me people of the Gasga-land. I have heard that everything is finished and that the country of Hattusa is paralysed. Now see, I have sent you a consignment duly by the hand of Irrappa my envoy.'
There follows a lengthy list of gifts.
For Tarhundaradu this offer of marriage must have been a great coup. It would enhance his reputation and prestige and, economically, it could only benefit Arzuwa. From the tone of the letters, Amenhotep is well aware of the fragility of the Hittite Empire and wants an alliance with the new power on the block.
Hattusa Restored
Subsequently, twelve Kaska tribes united under the leadership of Piyapili, a Kaskan noble who governed Nerik. But his forces were no match for Suppiluliuma's military prowess. Through their combined efforts, Tudhaliya and Suppiluliuma successfully restored Hattusa to Hittite control. Both Hayasu and Azzi were forced into becoming Hittite vassal states. Some of the Kaska warriors were enlisted in the Hittite army as mercenaries.
One of the new kings of Hayasu, Hakkani, married a Hittite princess and, after Suppiluliuma succeeded his father on the Hittite throne about 1350 BC, went on to also marry Suppiluliuma's sister.
Despite their defeat, the Kaska remained a persistent threat, both internally and externally, posing a constant challenge to Hittite security.
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