13 Feb 1866
Foundation of the Congregation of the Mother of Carmel at Koonammavu
20 May 1887
Formulation of Thrissur Vicariate
25 Oct 1896
Appointment of First Native Bishop Mar John Menacherry
21 May 1900
Starting of St. Marys Convent Ollur; Profession of Bl. Mother Euphrasia

22 Apr 1914 

Demise of Venerable Fr. Leopold Beccaro, the co-founder of CMC
Starting of Sacred Heart Convent LP & HS, Thrissur
19 Dec 1925
Entering of the sisters in the field of Healing Ministry
20 Mar 1937
First General Chapter First Mother General Sr. Mariam Magdalena Palathingal
Starting of the First Orphanage of the Province at Pavaratty
1 Jul 1946
Establishment of First Womens College in Thrissur- St. Marys College Thrissur
12 Oct 1947
Renewal of CMC Constitution
29 Aug 1952
Demise of Bl. Mother Euphrasia CMC
CMC starts service at Jubilee Mission Hospital, Thrissur
15 Oct 1961
Foundation of the Holy Trinity Convent Kolazhy
20 June 1962
Starting of the first batch of Novices at Trinity Convent, Kolazhy; The first Mission House at Pulgaon
29 July 1962
Visit of Inter Nuncio Cardinal James Robert Knox
16 Nov 1963
Unification of CMC
Starting of Mercy College, Palakkad
20 Jun 1967
CMC starts serving in the formation of Samaritan Sisters
Foundation of Vimala College
19 Mar 1968
Purchase of Thottakam Land for Kolazhy (3.76 acres & 140 Paras of land)
17Apr 1968
The First CMC General Chapter First Superior General after Unification: Mother Mary Celine CMC
9J an 1969
Foundation of the First Hospital St. Josephs Choondal
16Aug 1970
Episcopal Ordination Bishop Mar Joseph Kundukulam
Platinum Jubilee of St. Marys Convent Ollur
19 May 1976
Formulation of Irinjalakuda and Palakkad Regions
1 Mar 1977
Nirmala sisters to African Land
19 May 1977
Formation of Udaya Province, Irinjalakuda
Starting of Nursing School at Choondal
26 Nov 1981
Recognition of the renewed CMC Constitution by Vatican
18Aug 1985
Opening of Provincial Prayer House at Kripa Theertham, Thrissur
8 Feb 1986
Beatification of Bl. Chavara and Bl. Alphonsa FCC at Kottayam by Pope John Paul II
29 Aug 1987
Mother Euphrasia is declared Servant of God: Trifurcation of CMC Educational Society into St. Mary,s and Vimala Colleges Tcr, Mercy College, Palakkad & Carmel College Mala
21 Oct 1988
Institution of the Tribunal for the Cause of Servant of God Mother Euphrasia CMC; Sr. Stella Maria is appointed as the Regional Mission Superior
Open Prayer house at Santhi Theerthasramam Thozhupadam, Thrissur
CMC serving in the religious formation of Daughters of Our Lady of Protection (DOLP) Sisters (Italian Congregation)
Starting of Carmel Santhi Dham- Clinical Counselling
Release of the Audio Cassette on Servant of God Mother Euphrasia  Thapasa Kanyaka Euphrasia
Starting of the Special School at Mulloorkara
18 May 1995
Elevation of Thrissur Diocese to the Archdiocesan level
27 Aug 1995
Mar Joseph Kundukulam appointed as the first Archbishop of Thrissur
15 Feb 1997
Mar Jacob Thoomkuzhy takes charge as the Metropolitan Archbishop of Thrissur
9 May 1997
Starting of an English Medium School at Kigoma, East Africa by the sisters of Nirmala Province, TSR.
12 April 1998
Formulation of Nirmal Jyoti Province, Bina
8 Jan 1999
Inauguration of the Miracle Tribunal with regard to the Cause of Mother Euphrasia
Starting of Nursing School at Vincent De Paul Hospital
20 May 2000
Centenary Year of the St. Marys Convent, Ollur; Centenary Year of the Final Commitment of Mother Euphrasia
17 Dec 2000
Platinum Jubilee Celebration of the CMC Nirmala Province Healing Ministry
23 Jan 2000
Vimala College is accredited by NAAC at Five-Star level
1 April 2001
Sr Sancta of Nirmala Province is appointed as the Novice Mistress at Pachmarhi
8 Sep 2001
Service started at the Aswini Ward of the Government Medical College Hospital, sponsored by the Province
14 Sep 2001
Unification of the Mary Rani and Jossie Bhavan Convents maitaining the name, Mary Rani
5 July 2002
Mother Euphrasiais declared Venerable
20 Aug 2002
50th Death Anniversary Celebrations of Mother Euphrasia
17 Oct 2002
125th Anniversary of Mother Euphrasias Birth
12 Dec 2002
Starting of Bethania Terminal Care Centre
8 Sep 2003
Sr. Vineetha is appointed as the first Novice Mistress at the Novitiate House in Tanzania
5 July 2005
Mother Euphrasia was raised to the status of Venerable
July 2006
Diamond Jubilee Celebrations of St. Marys College Tcr
Oct 2006
Sr. Elanore Appointed as the Chairperson of the 18th National Convention of the Catholic Nurses Guild of India (CNGI)
3 Dec 2006
Beatification of Mother Euphrasia by Major Archbishop His Gace Mar Varkey Cardinal Vithayathil at Ollur
Introduction of Inter-Provincial Postulancy (Palakkad, Irinjalakuda, Thrissur) at Kolazhy
Vimala College Re-accredited at A grade
A separate Convent was constructed and blessed at St. Marys Ollur.
St. Marys College Re-accredited at A grade level.