1900 New Public Elementary School Built on Main Street
1900 12th July Foundation Stone of Cullybackey Orange Hall Laid
1901 Outbreak of Typhoid in Cullybackey
1902 LOL960 Total Abstinence formed at Dunnygarron
1905 Souterain Found at Markstown
1906 Electricity Installed in Cuningham Memorial Presbyterian Church
1907 Hillmount Flute Band Opening of New Practice Hall
1907 Cullybackey National Schools Renamed Buick Memorial Public Elementary School in Memory of Rev Dr George Raphael Buick
1908 Cuningham Memorial Hall was Erected
1908 Cullybackey at the beginning of the Nineteenth Century
1913 9th August Unionist Club Formed in Cullybackey
1914 Beekeepers Association Formed
1914 Cricket Club Re-Formed
1914 Golf Club Opened
1922 New Golf Course at Park Craigdun Opened
1926 Fenagh Orange Hall Erected as a Memorial to Captain The Hon. Arthur O’Neill M.P. for Mid-Antrim Officially Opened
1927 Duke and Duchess of Abercorn Visit Cullybackey and Hillmount Bleach Works
1929 Tennis Courts and Bowling Green Opened
1929 A Private Census of Cullybackey gave the population of Cullybackey to be 757
1930 Reformed Presbyterian Church Hall Opened
1931 Cullybackey Young Farmer’s Club Formed
1936 Cullybackey Scout Group Formed
1937 Dunnygarron Orange Hall Opened
1938 Cullybackey Women’s Institute Formed
1938 Diamond Primary School Opened
1943 Glarryford Young Farmers Club Formed
1945 Dunnygarron Social Club Started
1945 Young People’s Fellowship Started
1946 Cullybackey Branch Apprentice Boys of Derry Formed
1950 23rd November Child Welfare Centre Set Up
1951 Census Population of Cullybackey 624
1951 Fenagh Wolf Cub Pack Re-Started in November
1952 Paddy McNeilly, Cullybackey Cyclist Beats Irish End-to-End Record
1953 Captain Tom Haughton Killed at Nutt’s Corner
1954 Cullybackey Elim Church Opened – Pottinger Street
1956 Maine Angling Club Formed
1961 Census Population of Cullybackey 758
1963 Maine Works Closed
1966 Population of Cullybackey 728
1968 Saturday 12th October At 3PM Cullybackey Methodist Church Laying of Foundation Stone for New Church At Shellinghill Road.
1968 Kilmakevit Housing Estate Was Built
1969 13th September At 3PM New Methodist Church and Halls Opening and Dedication
1973 Glarryford Railway Station Closed 2nd July 1973
1976 Cullybackey Railway Station Closes
1982 Cullybackey Railway Station Reopened (28th June)
1988 Dedication and Opening of New Elim Pentecostal Church, Shellinghill Road, Cullybackey
1990 Mr Bertie McNiece Retires as Headmaster of the Diamond Primary School, Cullybackey
1994 The Three Chimneys at the Maine Works Were Demolished on the 24th September