Landmark 1820 Agricultural Society of India was established by Reverend William Carey on September 14 1824 Introduced cash crops  seeds of which brought from America and Mauritius 1827 First document on Agriculture and Horticulture in British India published by the Society 1828 First Horticulture Exhibition in India was hosted by the Society 1830 Sugercane and Tobacco was cultivated at Akra Firm  of the society in South 24 Parganas 1831 Maize seeds were brought from America for cultivation 1832 Introduced Ginger from Jamaica and potato from England 1835 Established branches in Lucknow, Madras and Dinajpur 1836 Shifted to the premises of Royal Botanic Garden, Howrah. 25 more branches opened in India 1838 First Egyptian Cotton was grown 1839 Grafts of fruit plants was successfully  were procured and cultivated 1840 32 varieties of wheat was brought from Europe and Egypt 1841 North India reports good quality potatoes from Society’s tubers. 1843 Cocoa plants introduced from West Indies 1845 Manchester Cotton Supply Association declares Rs. 1000 prize for the best cotton grown in India with Society’s help 1851 Procures seeds of Mexican Cotton 1853 Import tobacco seeds from Cuba, Hungary and Columbia 1854 Rhea seeds imported from Scotland and England 1858 Introduces Bougainvillea spectabillis from South Africa 1862 Introdcues ornamental plants 1872 Agri-Horticultural Society shifts to its present location at 1, Alipore Road, Kolkata 1902 Introduces Sralia (Panax) Balfouriana, the stalk that produces bud sprouts 1907 Raises a new hybrid cooperanthas by crossi9ng cooperia and zephyranthes 1916 Council of the Society sanctions Rs. 200 to purchase orchids to improve its collection 1928 Published  first book “ An Ameteur in an Indian Garden” by Percy Lancaster 1933 Raises hybrid cosmos and named it as “Alipore Beauty” 1935 Granted privilege to use the title “Royal” in recognition  of its service, by King George V. 1939 Percy Lancaster of the Society awared Harvard Medal  by Amaryllis Society of America for his achievement in hybriding Habrant-Bus texanas 1940 Lancanster raises hybrid named Malthea by crossing Althea rosea and Malr sylvesrisva 1961 Carey Institute of Horticulture set up in the Society to conduct certificate course in horticulture, affiliated to Calcutta University 1962 Birla Laboratory set up in society for R&D in horticulture and floriculture 1963 First Batch of 12 boys admitted to the certificate course. AHSI Laboratory recognized as Research Center for Ph.D studies 1967 Standadises micro-propagation techniques for difficult rooted ornamental plants. Organizes first national seminar on Horticulture 1967 Starts research under Dr. TK Bose on mist propagation, tissue culture growth and flowering  and improvement in yield and quality of ornamentals 1968 Introduces Mussaenda erythrophylla Pink and Queen Srkit 1971 Introduces training courses on gardening 1979 First Volume of “Horticulture Science” published by the Society 1982 Flower Show hall inaugurated by Dr. BD Pande, the then Governor of West Bengal 1989 Re-lays Rock Garden and constructs waterfalls in the garden 1992 Installs first phase of sprinkler system, commissioned deep tubewells and develops drainage system 1993 Introduces Giant Water Lily of the Amazon river. Introduced many uncommon varieties of plants 1994 Launches Mushroom Growing course 1995 Organises International Philately Show 1996 Develops laboratory facility for production of Mushroom spawns for the Mushroom growers. HE Dr. Shankar Dayal Sharma, the then President of India visits the society 1999 Development of Birla Enclave, Landcaping Belevedere and develops road and pathway 2000 Relaying of Rose Garden and replanting with hybrid roses. Installed automatic Mist Chamber. Introduces Floral arrangement training course. Introduces Medicinal and Herbal Plant training courses 2001 Society receives exemption from donation under Section G of Indian Income TaxAct 2002 Pioneered State Mango Festival in Malda 2003 Develops Nursery, orchids, landscaping and foliage plants 2004 HE Dr. APJ Abdul Kalam, the then President of India visits the Society. Launched PG Course in Herbology in collaboration with Jadavpur University. Plant Mela was organized for the first time 2005 Raised Members’ Directory. Organized All India Rose Convention 2006 Published the Book “Encyclopedia of Himalayan Medicinal Flora” Vol. I”. Laying of a new Japanese Garden 2007 A new Fruit Orchard was designed and planted with exotic fruit tress. Central Lawn was extended. Two beautiful status were placed at the vantage points of the garden 2008 Botanical Survey of India requested the society to conduct an intensive training program on Garden Maintenance and Herbarium techniques 2009 A global workshop called “Good Medicine  Works”  on interacting with the revolution of Global Ayurveda and Modern Medicine on 13 March 2009 2009 Published  “Encyclopedia of Himalayan Medicinal Flora” Vol. II” under sponsorship of Horticulture Development Foundation