1865	Started in a house in High grounds( now known as Millers Road), Bangalore
1871	Dr G U Pope gave the motto "Nec Dextrorsum , Nec Sinistrorsum" meaning "Neither to the right nor to the left"
1871	Moved to own premises of 13 acres on St. Mark's Road for Rs. 22,000.
1875	All debts cleared
1875	Kannada was taught in all classes
1877	Cadet Corps belonging to Bangalore Rifle Volunteers formed
1888	Football was introduced
1899	"Cottonian" Magazine took birth. However copies are not available.
1907	School song was written by the Warden, the Revd. H. Pakenham Walsh
1909	First issue of Cottonian appeared
1909	School Library and Debating Society was founded
1909	Gymnasium was built in the memory of Dr Pope
1910	Office Block modified to present stage.
1910	Electricity was installed
1910	Each dorm was named after a member of staff or friend of the school
1915	Tennis Court constructed
1918	The only school to remain opened in Bangalore during the serious 'flu epidemic'
1917	Sick room added
1925	Celebrated 60 th Anniversary
1927	Old Boys' Association Formed on 26 Dec 1927
1930	Termed as golden era of the school. Cannon William Elphick took over as Warden
1930	OBA strength rose to 203
1934	Rvd, J C Wimbush composed the Pakenham Walsh song
1950	Green Brigade launched
1956	Elphick House was created
1956	Parent Teacher Association formed
1963	Garden Block was built
1965	Centenary Block construction started in 1965 andwas completed in 1973
1987	Kindergarten Block was built and named after Rev. I L Thomas
1990	125 th Anniversary celebrated. Chief guest was Mr venkataraman , President of India.
1995	130 th Anniversary celebrated. Chief guest was Dr Shankar Dayal Sharma , President of India.
1995	Unique pension scheme for teaching, non-teaching staff