|8 September||Birth of Henri Roy in Lewiston, Maine, USA.|
|9 September||Baptism in Saint Peter and Saint Paul's church, in Lewiston, Maine.|
|1904-1910||Primary school at St Peter's Academy, with the Marist Brothers.|
|15 May||Confirmation in St Peter's church in Montreal.|
|1913||Three months studies at Juniorate of the Oblates of Mary Immaculate.|
|19 July||First closed retreat at the Novitiate of the Oblates of Mary Immaculate in Lachine Locks, Montreal.|
|1915-1920||Henri is on the work place :
• delivery man for a Montreal pharmacy;
• office worker for the construction company Webster & Sons, Montreal.
|13 January||Henri particpates at the study congress of Friends of Le Devoir with Henri Bourassa. Bourassa was journalist founder of Le Devoir and a politician.|
|1920-1923||High school studies at the Seminary for Late Vocations in Saint Victor de Beauce.|
|29 July||Enters the Novitiate of the Oblates in Ville Lasalle.|
|1 August||Takes on the habit with the Oblates of Mary Immaculate.|
|12 November||Death of his mother, Joséphine.|
|20 March||Meeting with Brother André at St. Joseph's Oratory in Montreal. Brother André was canonized in October 2010.|
|2 August||First vows with the Oblates of Mary Immaculate.|
|1924-1929||Studies at the Scholasticate of the Oblates in Ottawa.|
|1925||Bachelor in Philosophy, in Ottawa.|
|18 December||Henri receives the minor orders I at the cathedral in Ottawa.|
|16 June||Henri receives the minor orders II in Holy Family church in Ottawa.|
|8 September||Perpetual vows with the Oblates of Mary Immaculate, in Ottawa.|
|2 June||Ordination to the sub-diaconate in Ottawa.|
|22 September||Ordination to the diaconate in Ottawa.|
|25 May||Henri is ordained a priest at the Ottawa cathedral, by Archbishop Guillaume Forbes.|
|June||Nomination to the Juniorate of the Oblates in Chambly-Bassin.|
|September||• Henri founds the magazine L'Apostolat des Oblats de Marie Immaculée.
• First contacts with the YCW (Young Catholic Workers) movement in Montreal.
|1931||Meeting with canon Joseph Cardijn, founder of the YCW and Bishop Georges Gauthier, bishop of Montreal.|
|20 September||Henri establishes the first section of the YCWF (Young Catholic Workers Feminine) in St Alphonsus of Youville parish in Montreal.|
|November||Henri establishes the first YCW section for young men in St Peter's parish in Montreal.|
|19 November||Departure for a studies trip in Europe (till 23 April, 1932).|
|December||The first edition of the newspaper La Jeune Ouvrière in Montreal.|
|24 February||Private audience with Pope Pius XI in Rome.|
|16 April||Death of his father, Théophile.|
|23 April||Return from Europe.|
|April||Henri publishes his book Un problème et une solution.|
|1935||Henri establishes the Society for the Roman Catholic Propaganda of the Bible.|
|February||Henri publishes Faites ça et vous vivrez, the four Gospels in one.|
|13-14 July||• First general congress of the YCW in Canada, at the Montreal Forum. 15000 youth participate.
• The Jocist Services are organized.
• Henri travels to Europe to participate in the first international congress of the YCW.
• Private audience with Pope Pius XI in Rome.
|1937||The provincial government of Quebec entrusts the leisure activities to Fahter Roy and the YCW.|
|23 July||• Second general congress of the Canadian YCW in Montreal.
• Celebration of the 100 Marriages in Delormier Stadium and St-Helen Island in Montreal, with the participation of 20,000 people.
|18 August||Departure for Europe.|
|14 October||Private audience with Pope Pius XII in Rome.|
|4 November||Henri is replaced as general chaplain of the Canadian YCW.|
|November||• Henri arrives in Manchester, New Hampshire, USA, to develop the YCW in that region.
• Henri meets young collaboratores who will become the first members of the Pius X Secular Institute.
|1940-1944||Henri organizes and develops the YCW in New England.|
|26 November||Henri leaves Manchester, NH.|
|September to December||Trip to western Canada and western and southern USA to see the development of YCW.|
|15 October||Henri participates in the celebratoin of the crowning of Our Lady of Guadelupe in Mexico.|
|19 February||Henri resides at the the Oblates' House in Rouyn (Quebec) till August.|
|4 February||Henri resides in Kapuskasing (Ontario) à Kapuskasing, Ontario, at the Oblates' House till the start of August.|
|4 August||Henri is transferred to the Oblates' House in Quebec City, in Holy Redeemer parish.|
|September||A few young men of New England join up with him in Quebec with the objective to launch a new institute of consecrated life.|
|28 September||Henri travels to Europe.|
|23 February||Return from Europe.|
|25 March||Approval of the Catholic Mesengers of the Bible by the Quebec bishops.|
|1953||Publication of the first biblical calendar Guide de lecture de la Bible.|
|3 March||Henri travels to Cuba with a few Pius X Secular Institute members.|
|9 September||Opening of the Saint Pius X Seminary for late vocations in Sherbrooke.|
|8 December||Canonical erection of the Pius X Secular Institute as an institute of diocesan right.|
|January||Henri publishes Je Crois, a popular Catholic magazine.|
|13 July||Henri travels to Europe.|
|August||Private audience with Pope John XXIII.|
|22 August||Henri is canonically transferred from the Oblates of Mary Immaculate to the Pius X Secular Institute and pronounces his perpetual vows in Rome.|
|3-11 August||Henri travels to Peru and Mêxico.|
|1 September||Henri travels to Switzerland.|
|October||Meeting with Father Marie-Eugène de l'Enfant-Jésus, founder of Our Lady of Life Secular Institute in Venasque, France.|
|October||Henri launches La Rencontre movement with Pius X Secular Institute members.|
|15 February||Bishop Maurice Roy, Archbishop of Quebec and first cousin of Henri, and becomes a cardinal. Father Roy accompanies him to Rome.|
|16 June||Henri dies at Hôtel-Dieu Hospital in Quebec.|
|19 June||Funeral mass at the Quebec basilica, presided by Cardinal Maurice Roy.|
|8 September||Fahter Roy's casket is transferre to the crypt at La Maison du Renouveau in Charlesbourg.|