The Calcutta Rajdhani Express was introduced in 1969 with a maximum allowed speed of 120km/h, which was then the new speed limit for trains in India.
On November 1830, the first ever horse driven bus plied on the heart of Calcutta. It would be 1922 till the first motor driven bus arrived in Calcutta. And the famous double decker buses started plying between Shyambazar and Kalighat from 1926.
The first Medical conference in Calcutta was held on 29th December,1894.
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.
In 1870, Wilhelm Siemens successfully demonstrated the exchange of telegrams from London to Calcutta that took only an hour.
India has 7 Nobel Prize winners, either by birth or citizenship, to date and 4 of them are directly connected to Kolkata.
Calcutta Medical College is the oldest institution of European Medicine in Asia.
The Calcutta Corporation decided to make all the unmetalled roads of the city macadamized on 11th September, 1794.
National Library is the largest library in India.
South Point High School, Kolkata entered the Guinness Book of Records (from 1984 to 1992) as the school with maximum student enrollment.