DEAF & DUMB SCHOOL
The first deaf and dumb school in Calcutta was established in the year 1852. Among the founders, the names of Srinath Singha, Umesh Chandra Dutta, Mohini Mohan Mazumder etc. deserve mention. From 1961 onwards, it has come to be known as the 'Training College for the teachers of the deaf'.

DALIA CULTIVATION
The cultivation of Dalia flowers in India took place for the first time in 1862 in Calcutta. The Agro-Horticultural Society of Calcutta grew this flower for the first time in Calcutta. Dalia originally belongs to South Africa.

DINNER AT SHAHID MINAR
On 4th September,1830, twelve British officials met for dinner from 6 P.M – 7 P.M atop the Shahid Minar and had a splendid.

DOUBLE DECKER BUS
The first double-decker bus plied in Calcutta in 1926.