October 13th 2001
Inauguration of 5th pastoral council
October 13 th 2003
Inauguration of 5th Pastoral council
May 13th 2000
Msgr.Sebastian Kanjirakattukunnel appointed as Vicar general of the diocese
December 31st 1999
Blessing of MaryMatha Cathedral Thamarassery by His Beatitude Varkey Cardinal Vithayathil.Chief guest Governor of Meghalaya Sri.M M Jacob
October 10th 1998
Inauguration of 4th Pastoral Council
September 8th 1997
Inauguration of Thattumukkom forane
February 13th 1997
Mar Paul Chittilapilly took charge as the Bishop of Thamarassery
December 3rd 1995
Very Rev.Fr.Joseph Keelath took charge as Vicar General of Diocese of Thamarassery
November 20th 1995
Inauguration of third pastoral council
July 7th 1995
Bishop Mar Jacob Thoomkuzhy took charge as he second Bishop of Thamarassery
June 7th 1995
Bishop Mar Jacob Thoomkuzhy appointed as Bishop if Thamarassery
June 11th 1994
Death of Mar.Sebastian Makuzhikary,the First Bishop of the diocese at Chavara Hospital Thamarassery
September 18th 1992
Visit of Bishop White Commission in the diocese
May 29th 1999
Inauguration of Second Pastoral Council of the Diocese
May 2nd 1989
Blessing of Roopathabhavan by His Beatitude Cadinal Antony Padiyara
May 15th 1988
Msgr.George Thadthil took charge as the first vicar general of the diocese
September 7th 1987
Visit of Eugene Dizuza,the ArchBishop of Bhopal
August 26th 1987
Visit of Cardinal Lourdswamy at Diocese of Thamarassery
June 26 th 1987
Inauguration of Blessed Alphonsamma minor seminary at Maruthongara
June 13th 1987
First Pastoral council inauguration
December 29th 1986
Blessing of Medical Mission hospital Chathangottunada run by Medical Mission Sisters
December 8th 1986
Blessing of New Aradhana Madom at Thamarassery
November 19th 1986
Inauguration and blessing of Chavara clinic at Thamarassery
November 19th 1986
Blessing of Convent at Venappara ( FCC )
November 9th 1986
Blessing of Manjeri church
November 1st 1986
Foundation stone of Nooramthode church layed
October 28th 1986
Fr Augustine Thuruthimattathil took charge as Vicar General
October 27th 1986
Blessing of Valook Church
July 3rd 1986
The eparchy of Thamarassery was formally inaugurated and Bishop Mar Sebastian Mankuzhikary took charge as Bishop of the eparchy
Apr 28th 1986
Erection of the Diocese of Thamarassery