These feasts are divided into four different kinds. The first two make up the crown of twelve stars of the principle festivals of the Blessed Virgin Mary. The third kind are hte minor festivals of the Blessed Virgin Mary and then the fourth are those on particular calendars throughout the world. And it is impossible to list all of these, but it is sufficient to state a place in Japan issues a calendar which has at leat one Marian feast for each day of the year.
First Class Feasts
Annunciation, March 25, Double of the First Class
Assumption, August 15, Double of the First Class
Immaculate Conception of the Blessed Virgin Mary, December 8
Second Class Feasts
Purification of the Blessed Virgin Mary, February 2, Double of the Second Class
Queenship of the Blessed Virgin Mary, May 31, Double of the Second Class, instituted by Pope Pius XII
Visitation of the Blessed Virgin Mary, July 2, Double of the Second Class
Immaculate Heart of Mary, August 22, Double of the Second Class, instituted by Pope Pius XII
Nativity of the Blessed Virgin Mary, September 8, Double of the Second Class
Seven Sorrows of the Blessed Virgin Mary, September 15, Double of the Second Class
Most Holy Rosary of the Blessed Virgin Mary, October 7, Double of the Second Class
Maternity of the Blessed Virgin Mary, October 11, Double of the Second Class
Mary, Mediatrix of All Graces, October 13, Double of the Second Class, instituted by Pope Michael
Major Feasts
These feasts are also observed on the Universal Calendar, but as Double Majors, as opposed the feasts of most Saints, which are simple doubles.
Apparition of the Blessed Virign Mary at Lourdes, February 11
Seven Sorrows of the Blessed Virgin Mary on the Friday after Passion Sunday in Lent
Our Lady of Mount Carmel, July 16
Dedication of the Basilica of Our Lady of the Snows, August 5
Holy Name of the Blessed Virgin Mary, September 12
Our Lady of Mercy, September 24
Presentation of the Blessed Virgin Mary, November 21
Some Other Feasts
The first source is hte Missa Pro Aliquibus Locis of the Missale Romanum, that is the Feasts for various places listed therein, which is by no means complete.
January 23 Espousal of the Blessed Virgin Mary to Saint Joseph
April 26 Our Lady of Good Counsel
May 24 May, Help of Christians
June 9 Our Lady of Grace
June 27 Our Lady of Perpetual Help
July 17 Humility of the Blessed Virgin Mary
August 16 Mary, Refuge of Sinners
Saturday before the Fourth Lord's Day in July Our Lady of Mercy
Saturday before the LAst Lord's Day in August Mary, Hope of the Sick
September 3 Mother of the Divine Pastor
October 16 Purity of the Blessed Virgin Mary
Saturday before the Third Lord's Day in November Providence of the Divine Mother
November 27 Our Lady of the Miraculous Medal
December 10 Translation of the holy house of the Blessed Virgin Mary to Loretto
December 18 The Holy Expectation of the Blessed Virgin Mary
Saturday after the Ascension, Mary, Queen of the Apostles
Saturday after the Feast of Saint Augustine Our Lady of Consolation
And many more in many places throughout the world, such as