The birth of the future first Empress of Alterna.
The history of the world of Final Fantasy Horizon.
The era before the founding of the Alternan Empire.
The woman who would be Empress set out to explore the Gap of Termina and find what lay beyond the mountains.
Relis Laurent discovers the edge of Ducorde, and steps over it.
The era of the Alternan Empire (and after, as the timeline was fairly well-established at that point).
The city-state of Saron is founded, southwest of Alterna. Expeditions to the south and east are launched from here, turning the city-state into a transportation hub for all Alternan traffic.
Mechon, the oldest city in Machanon, allegedly was founded in the year 55 AE, though this is hotly contested by historians across Ducorde.
The city-state of Cardia is founded to the north as a base camp for Alternan explorers looking to scale the Rinkan mountains to find what lay beyond the forbidding range.
The explorers finally abandon their forays into the mountains and instead continue residing in the Empire's newest province.
The three city-states that would form the Triad are founded in some order. They would become the Empire's premier transportation and travel hub due to their central location in the Dicelan Sea.
The city-states in the east come together under the first Arithmagician to form the country of Machanon, another province of the Alternan Empire.
Under the guidance of legendary Arena Champion Xing Wu, Caerwyn is founded as a province of the Empire to ensure those who lived away from the capital still had a voice in its operation.
A tower of fire rises in Koehnta and burns for over four hundred years, to the current day.
Augustine officially states that it will no longer be part of the Alternan Empire. A brief and bloody war follows.
A treaty declaring the end of the Augustinian War for Independence and the recognition of Augustine as a sovereign nation is signed.
Sainé declares its independence from Alterna. Alterna takes no public action but privately acknowledges it. No war follows.
All remaining nations declared their independence from Alterna, declared war on Alterna, and then declared war on each other. War raged until Alterna was wiped out in 957 AE.
The Great Crystal inside of Alterna shattered. The capital almost immediately became a magical wasteland.
Phiro, Sofia, and Zurvan officially form the Triad, ending their infighting after Alterna's destruction and establishing the city as a major trade hub for everyone on Ducorde.
Job Crystals return to Ducorde, though they are no longer a force that mandates people follow a fated path.
Linnet Leveche is born.
Consul Levine Firsker of Saron achieves their Memoria without naming a successor, plunging Saron into a civil war.
With the passing of her father Peiran Dravanor, Jessamine Dravanor is crowned King of Cardia.
Jessamine Dravanor exiles the Osler, Schtauffen, and Nakamura families from Court.
The Darksteel Mine in Cardia, used for the dragoon spears, closes with no publicly-known reason or planned date of reopening.