Did Bangladesh and Sri Lanka belong to India or Pakistan before?

Bangladesh once belonged to India and Pakistan respectively, and Sri Lanka was once a British colony.

Bangladesh:

During the division of India in 1947, Bangladesh was divided again. According to the Mountbatten Plan put forward by mountbatten, the last Indian governor, West Bengal belongs to India and East Bengal belongs to Pakistan.

Sri Lanka:

Dutch troops occupied Colombo, Sri Lanka. 1796 February 15 British troops occupied Colombo and the Dutch rule ended. 1802, Britain and France signed the Treaty of Amiens, and Sri Lanka was officially declared a British colony.

Extended data:

Sri Lanka is a multi-ethnic country with Sinhalese, Tamils and Moors, among which Sinhalese account for 74.9%, Tamils account for 15.4%, Moors account for 9.2% and other ethnic groups account for 0.5%.

According to the data released by the Statistics Department of Sri Lanka 20 12, the total population of Sri Lanka is 20.33 million. The annual population growth rate of Sri Lanka is 0.7%.

In 20 17, the population is about 2 1440000. The population of the western province of Sri Lanka accounts for 28.8% of the national population, while the population of the northern region accounts for only 5.2% of the national population. Among the major administrative regions, the population of Colombo District is as high as 2,323,824, and the population of Mulaitiwu District in the north is at least 92,527. ?

Baidu Encyclopedia-Bangladesh

Baidu Encyclopedia-Sri Lanka