1) Greek garrisons left by Alexander were overrun after 325 BC, and by 305 BC Mauryan control extended to Kabul. 2) Between 250-208 BCE, the Bactrian Greeks revolted against the Seleucids and established an independent kingdom in Bactria and parts of northern India. 3) By 155 CE, most of eastern Afghanistan, the Punjab, and parts of Sindh were being governed by Indo-Greek governors, though the areas of western Afghanistan were soon conquered by outside invaders like the Parthians, Kushanas, and Shakas.