Simplify the following text for a Grade 9 native English-speaking person.
Original: When India gained independence in 1947 , Bengal was partitioned along religious lines . The western part went to India ( and was named West Bengal ) while the eastern part joined Pakistan as a province called East Bengal ( later renamed East Pakistan , giving rise to independent Bangladesh in 1971 ) .
Simplified: In 1947 Bengal , which was a province of India , was divided into West Bengal and East Bengal ( which is now called Bangladesh ) .