Important Celebrations for Holy Cross
| Jan. 6 | Blessed André Bessette, died Jan. 6, 1937 |
| Jan. 8 | Arrival of Holy Cross religious in Brazil |
| Jan. 20 | Death of our founder, Blessed Basil Anthony Mary Moreau, 1873 |
| Jan. 29 | Death of Mother Mary of the Seven Dolores, first superior general of the Marianites of Holy Cross, 1900 |
| Feb. 11 | Birth of our founder, the Venerable Basil Anthony Mary Moreau, 1799 in Laigné-en-Belin, France |
| Feb. 13 | Establishment of the Sisters of the Holy Cross in Fort Portal, Uganda, 1967 |
| Feb. 17 | Death of the Very Rev. Jacques Dujarié, founder of the Brothers of St. Joseph, 1838 |
| Feb. 19 | First Approbation of the Constitutions of the Marianites of Holy Cross, 1867 |
| March 1 | Birth of Léocadie Gascoin, later Mother Mary of the Seven Dolors, 1818 |
| Signing of the Fundamental Pact, joining the Brothers of St. Joseph and the Auxiliary Priests of Holy Cross, 1837 | |
| Arrival of Holy Cross in Chile, 1943 | |
| March 15 | Final Approbation of the Constitutions of the Sisters of Holy Cross (Canada), 1910 |
| March 19 | Feast of St. Joseph, Patronal Feast of the Brothers of Holy Cross |
| March 30 | Laying of the cornerstone of the conventual church of Notre-Dame de Sainte-Croix, Le Mans, France, 1842 |
| April 12 | Basil Anthony Mary Moreau declared Venerable, 2003 |
| April 28 | Departure of first missionaries bound for Algiers, 1840 |
| April 30 | Four Marianites, two priests, and seven Brothers leave for Canada, 1847 |
| May ? | Arrival of Holy Cross religious in Oregon |
| May 1 | Arrival of Holy Cross religious in New Orleans, LA |
| May 4 | Blessed Marie-Léonie Paradis |
| May 12 | Final Approbation of the Rules of the Congregation of the Sisters of the Holy Cross, 1896 |
| May 13 | Papal Approbation of the Rules and Constitutions of the Institute of the Congregation of Holy Cross, 1857 |
| May 23 | Beatification of Brother André, 1982 |
| May 25 | Acceptance of the Dhaka Mission, 1852 |
| May 26 | Arrival of Holy Cross Religious in Bengal, 1853 |
| May 27 | Arrival of first missionaries in Algiers, 1840 |
| Arrival of first contingent of Holy Cross (8 brothers, 4 sisters, 1 priest) at Saint-Laurent, Qué., 1847 | |
| June 1 | Introduction of the Cause for Beatification of Servant of God, Rev. Patrick Peyton, CSC, 2001 |
| June 8 | Mother Mary of the Seven Dolors departs for Canada, 1849 |
| June 10 | Arrival of Père Camille Lefebvre and the beginnings of Holy Cross in Acadia, 1864 |
| Feast of the Sacred Heart, titular feast of the priests of Holy Cross | |
| June 17 | Consecration of Notre-Dame de Sainte-Croix, Le Mans, 1857 |
| June 27 | First missionaries assigned to India, 1852 |
| July 13 | Introduction of the Cause of Venerable Basil Moreau, 1946 |
| July 15 | Foundation of the Brothers of Saint Joseph, 1820 |
| July 16 | First foundation of the Holy Cross Sisters in U.S. (Bertrand, MI), 1844 |
| July 26 | Separation of the Sisters of the Holy Cross from the Marianites in France, 1869 |
| Aug 4 | Religious habit given for the first time to four Marianites of Holy Cross, 1841 |
| Aug 9 | Birth of Blessed André (Alfred) Bessette), 1845 |
| Aug 12 | Basil Moreau ordained a priest, 1821 |
| Aug 15 | Moreau professed vows along with 4 other priests, 1840 |
| Establishment of the Holy Cross Sisters at St. Mary's, Notre Dame, IN, 1855 | |
| Aug 31 | Fr. Moreau accept governance of the Brothers from St. Joseph from Fr. Dujarie, 1835 |
| Fr. Moreau and four other priests adopted the name Auxiliary Priests of Holy Cross | |
| ?? | Arrival of Holy Cross religious in Texas, 1870 |
| Sept 1 | Pact of Fidelity made by the Brothers of Saint Joseph, 1831 |
| Sept 2 | Introduction of the Cause for Beatification of Servant of God, the Most Rev. Theotonius Amal, Ganguly, CSC, 2006 |
| Sept 8 | Sisters' Habit given for the first time in the U.S., Bertrand, MI, 1844 |
| Arrival of Holy Cross religious, Haiti, 1944 | |
| Sept 10 | Arrival of Holy Cross Religious to Peru (Cartavio), 1963 |
| Sept 14 | First Mass celebrated in the U.S. by Rev. Edward Sorin, CSC in St. Peter's Church, New York City, 1841 |
| Titular Feast of the Sisters of the Holy Cross, The Exaltation of the Holy Cross | |
| Sept 15 | Our Lady of Sorrows, Titular Feast of all Congregations of Holy Cross |
| Canonical approbation of post-Vatican-II Constitutions and Statues of the Sisters of the Holy Cross and the Marianites of Holy Cross, 1982 | |
| Approbation of the post-Vatican II Constitutions of the Congregation of Holy Cross | |
| Sept 29 | Arrival of Holy Cross Sisters in Ghana, West Africa, 1983 |
| Oct 10 | Fr. Sorin and Bros, Anselm, Francis Xavier, Galien, Joachim, Lawrence, and Vincent arrive at Vincennes, IN, 1841 |
| Oct 18 | Fr. Moreau founded the novitiate of priests at the Solitude, 1840 |
| Oct 28 | Final approbation of the Constitutions of the Marianites of Holy Cross, 1885 |
| Nov 4 | Arrival of Holy Cross religious in Uganda, 1958 |
| Nov 8 | Sisters of the Holy Cross arrive in Brazil, 1947 |
| Nov 9 | Reconsecration of the conventual church Notre-Dame de Sainte-Croix, Le Mans, France, 1937 |
| Nov 14 | Arrival of Holy Cross religious in Dhaka, 1853 |
| Nov 26 | Founding of the University of Notre Dame du Lac, Notre Dame, IN, the first permanent foundation of the Congregation in North America, 1842 |
| Dec 2 | Arrival of Holy Cross religious in Ghana, 1957 |
| Dec 8 | First missionaries assigned to Chittagong, 1853 |
| Dec 17 | Agreement made for Brothers and Sisters to go to New Orleans, 1948 |
| Dec 26 | Rev. James Dujarié ordained a priest, 1795 |