When the state of Pakistan was formed in 1947, its two regions, East Pakistan (also called East Bengal) and West Pakistan, were split along cultural, geographical, and linguistic lines.
當巴基斯坦在1947年成立時，它的兩個地區——東巴基斯坦（又稱作東孟加拉）和西巴基斯坦在文化、地理和語言上都不相同。