2320 BCE: Sargon of Akkad invades the Hattic region, fails to take Hattusa.
1650 BCE: Under the Hittite Warrior-King Hattusili, campaigns are carried to completion subjugating the Hatti. Hattusa is re-built as the Hittite capital. The Hatti are assimilated into the Hittite culture.
1380 BCE: Hittite capital, Hattusa, burned to the ground by Kaska invaders.
1345 BCE: The world's first manual on training horses is written by the Mitanni horse trainer Kikkuli (found in Hattusa).