The Grand Trunk Road (National Highway No. 2) is one of the oldest road routes in India and it runs from Howrah to Kashmir.
Kolkata and Mumbai were two of the main export/import destinations for British beer, which would go stale and sour during the sea voyage. So the IPA (India Pale Ale) style of beer was created specifically to withstand the rigours of the sea between London and these Indian ports.
The Calcutta Medical College which was founded in 1835, is Asia’s oldest medical school.
National Library is the largest library in India.
The Calcutta Mounted Police was born in 1912. They were virtually the body-guards of the Viceroy and the Governor. In later years, the 'Mounted Police' became indispensable for combating sudden violent scarmishes and reinstating peace and order in the anarchy-prone areas. At the inception horses for the 'Mounted Police' were brought from Australia. These horses were cared and looked after meticulously but of when they grew old, they were shot dead mercilessly. Then, they were sent to the zoo for being fed by the carnivores.
Asia’s first modern University in Serampore (a Danish settlement) was built in 1827.
South Point High School, Kolkata entered the Guinness Book of Records (from 1984 to 1992) as the school with maximum student enrollment.
Established in 1879, Bethune College is the first women’s college in India. The College was established in order to provide opportunities of college education to Kadambini Bose - a pupil of Bethune School, who had successfully completed the entrance examination of Calcutta University in 1878. The first classes of Bethune College were held at the premises of Bethune School. Kadambini Bose and Chandramukhi Bose are the first women graduates of India and they graduated from Bethune College in 1883. Chandramukhi Bose also became the Principal of Bethune College.
The Indian Botanical Gardens at Shibpur, near the Bengal Engineering College, is home of the largest banyan tree in the world (the banyan tree with the biggest girth), according to the Guinness Book of Records.
In 1870, Wilhelm Siemens successfully demonstrated the exchange of telegrams from London to Calcutta that took only an hour.