| 1948 December |
Bishop Valtorta of Hong Kong Diocese agreed to establish the Legion of Mary in Hong Kong. |
| 1949 January |
The first senior praesidium named Mystical Rose praesidium was established in Canossian Missions in Caine Road, Hong Kong.
The first junior praesidium named Regina Mundi praesidium was established in St. Mary’s Canossian College in Kowloon. |
| 1949 5 April |
The first curia named Hong Kong Curia was established to supervise all of the praesidia including Chinese and English, senior and junior praesidia. During the first Curia meeting, there were 19 praesidia present.
Fr. C. Speziali was appointed as the Spiritual Director of the Curia. |
| 1949 September |
Hong Kong Curia delivered a report to the Concilium. The report stated that there was a total of 24 praesidia being established including 14 senior praesidia and 10 junior praesidia, where there were 19 English praesdia and 5 Chinese praesidia. |
| 1950 16 August |
The first Chinese curia meeting was held and at the same time, established the first Chinese curia. It supervised all of the Chinese senior and junior praesidia in Hong Kong. There was a total of 14 praesidia, of which there were 8 senior praesidia and 6 junior praesidia. Fr. C. Speziali was also appointed as the Spiritual Director of the Chinese curia. In October, the Chinese curia was officially named as Curia Assumpta. |
| 1951 10 January |
Hong Kong Curia was renamed as Curia Immaculata and it was the first English curia. It supervised all of the English senior and junior praesidia in Hong Kong. |
| 1951 December |
The first Chinese junior curia, Curia Annunciata, was established and was supervised by Curia Assumpta. |
| 1952 6 August |
The first English junior curia, Curia Rosarii, was established and was supervised by Curia Immaculata. |
| 1952 November |
The Concilium appointed Curia Assumpta to supervise all of the Legionaries in Hong Kong and it was promoted to the Comitium. Being the highest office in Hong Kong, the Comitium had the responsibility to develop the Legion of Mary in Hong Kong and to act as the main contact with the Concilium. It supervised all of the Chinese senior praesidia and all of the curiae in Hong Kong. At the same time, the supervision of Curia Annunciata was transferred from Curia Assumpta to the Comitium. |
| 1956 | The second English junior curia, Curia Regina, was established. It supervised all of the English junior praesidia in Kowloon Peninsula and the New Territories, while Curia Rosarii supervised all of the English junior praesidia on Hong Kong Island, under the supervision of Curia Immaculata. |
| 1957 March |
The second Chinese senior curia, Curia Assumpta, was established. It supervised the Chinese senior praesidia in Kowloon Peninsula and the New Territories. |
| 1957 August |
The second Chinese junior curia, Curia Queen of China, was established. It supervised the Chinese junior praesidia in Kowloon Peninsula and the New Territories, under the supervision of Curia Assumpta. |
| 1962 March |
The second English senior curia, Curia Fidelis, was established. It supervised all of the English senior praesidia in Kowloon Peninsula and the New Territories. Upon its establishment, the supervision of Curia Regina was transferred from Curia Immaculata to Curia Fidelis. |
| 1963 March |
The third English junior curia, Curia Mater Dei, was established and under the supervision of Curia Immaculata. |
| 1965 | The third Chinese junior curia, Curia Mediatrix of all Graces, was established and under the supervision of Curia Assumpta. |
| 1967 4 June |
The third Chinese senior curia, Curia Regina Pacis Sinarum, was established. It was separated from Curia Assumpta by splitting geographically according to the two sides of the train railway. It supervised the Chinese senior praesidia of the eastern side of Kowloon Peninsula with 20 praesidia when it was established. Upon its establishment, the supervision of Curia Queen of China was transferred from Curia Assumpta to Curia Regina Pacis Sinarum. |
| 1969 January |
The fourth Chinese senior curia, Curia Mother of the Church, was established. It supervised the Chinese senior praesidia in the eastern district of Hong Kong Island, while the Comitium was responsible to supervise the Chinese senior praesidia in the central, western and southern districts of Hong Kong Island and the outlying islands of Hong Kong. |
| 1977 4 August |
The fourth Chinese junior curia, Curia Mother of Joy, was established. It supervised the Chinese junior praesidia in the western side of Kowloon Peninsula and the New Territories. The eastern side of Kowloon Peninsula from Diamond Hill was taken care of by Curia Queen of China. Both curiae were supervised by Curia Regina Pacis Sinarum. |
| 1984 April |
As Curia Regina Pacis Sinarum was overloaded with 27 praesidia, therefore, in April 1984, a re-arrangement of praesidia was carried out with Curia Assumpta and the train railway was used as the separation line. 8 praesidia was transferred from Curia Regina Pacis Sinarum to Curia Assumpta and 4 praesidia was transferred from Curia Mother of Joy to Curia Mediatrix of all Graces. |
| 1987 | Curia Mediatrix of all Graces was dissolved. The supervision of Curia Mother of Joy was transferred from Curia Regina Pacis Sinarum to Curia Assumpta. All of the junior praesidia in Diamond Hill, Tsz Wan Shan and Wong Tai Sin was transferred from Curia Mother of Joy to Curia Queen of China. |
| 1995 April |
Two English junior curiae, Curia Rosarii and Curia Mater Dei, merged and renamed as Curia Mater Dei. It supervised the English junior praesidia on Hong Kong Island and was under the supervision of Curia Immaculata. |
| 1996 December |
The first Korean senior curia, Curia Queen of Divine Grace, was established. |
| 2001 February |
The third English senior curia, Curia Rosarii, was established. It was separated from Curia Immaculata. It supervised the English senior praesidia in the eastern side of Garden Road on Hong Kong Island. Upon its establishment, the supervision of Curia Mater Dei was transferred from Curia Immaculata to Curia Rosarii. |
| 2014 6-10 September |
Assistant Secretaries of the Concilium, Bros. Michael Walsh and Patrick O’Donoghue, visited the Legion of Mary in Hong Kong. It was the first time that the Concilium Officers visited Hong Kong. |
| 2015 September |
Fr. Ferdinand LOK resigned from the post of the Spiritual Director of the Hong Kong Comitium. |
| 2015 November |
Fr. Francis TAM was appointed as the Spiritual Director of the Hong Kong Comitium. |
| 2022 12 June |
The fifth Chinese senior curia, Curia Mother of Mercy, was established. |
| 2022 July |
Curia Fidelis was split into Curia Fidelis, Curia Spes and Curia Caritas. Curia Caritas was established on 10 July and Curia Spes was established on 17 July. |
| 2022 8 September |
Hong Kong Comitium was raised to Regia. Fr. Francis TAM was appointed as the Spiritual Director of the Hong Kong Regia.
Curia Caritas was raised to the Comitium (English) with Fr. Paul TAM appointed as the Spiritual Director. |
| 2022 2 October |
The sixth Chinese senior curia, Curia Queen of All Graces, was established. |
| 2024 1 January |
Legion of Mary in Macao being affiliated to Legion of Mary in Hong Kong. |
| 2024 4 February |
The seventh Chinese senior curia, Curia Our Lady of Perpetual Help, was established. |
| 2025 13 April |
Curia Rosa Mystica, split from Curia Rosarii, was established. |