- Circa: The Tearfall: Abeir-Toril suffers a planet-wide disaster. According to later speculation, a comet or ice moon struck the planet, while ancient sarrukh writings mention a "changing of the stars". The land suffers earthquakes, fires, and windstorms, and the continents and seas are reshaped. The four Inner Seas combined into the Sea of Fallen Stars, and there is radical climate change.
- Circa: The batrachi civilization is destroyed by the radical climate change caused by the Tearfall.
- Circa: The aearee rise to power and establish several empires across Faerûn. The Aearee-Krocaa found Viakoo on Mount Havraquoar in the west, the Aearee-Syran found Phwiukree in the Star Mounts in the north, and the Aearee-Quor found Shara in the Orsraun Mountains.
- Circa: Following the Tearfall, dragon eggs hatch in their tens of thousands all over Abeir-Toril.
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