December 26, 1752:
Antigono, a pasticcio arranged by Chiesa, with ballet music by Giovanni Battista Sammartini (51), is performed for the first time, in the Royal Ducal Palace, Milan.
March 13, 1753:
La reggia de’ Fati, a serenata by Niccolò Jommelli (38) to words of Pascali, is performed for the first time, in the Royal Ducal Palace, Milan, to celebrate the birth of Prince Joseph of Austria. Two arias are composed by Giovanni Battista Sammartini (52).
March 19, 1753:
La pastorale offerta, a serenata by Niccolò Jommelli (38) and Giovanni Battista Sammartini (52) to words of Pascali, is performed for the first time, in the Royal Ducal Palace, Milan, to celebrate the birth of Prince Joseph of Austria.
December 26, 1753:
Ciro in Armenia by Agnesi-Pinottini, with ballet music by Giovanni Battista Sammartini (52), is performed for the first time, in the Royal Ducal Palace, Milan.
June 23, 1755:
Giovanni Battista Sammartini (54) marries his second wife, Rosalinda Acquanio, aged 17, in the Church of St. John Lateran in Milan. At the request of Sammartini, the marriage is accomplished quickly, without the usual publications.
March 18, 1756:
Publication of Giovanni Battista Sammartini’s (55) Concerto for two violins and two oboes JC.73 is announced in the Public Advertiser, London.
October 7, 1757:
The publication of three “concerti grossi” op.6 by Giovanni Battista Sammartini (56), actually the symphonies JC.51, is anounced in the Public Advertiser, London.
April 10, 1758:
Giovanni Battista Sammartini (57) is among the founders of the Accademia Filarmonica, Milan, an orchestra of amateur players.
September 11, 1758:
The publication of six “overtures” by Giovanni Battista Sammartini (57) is advertised in Annonces, Paris. Among them is the Symphony no.58, version A.
March 9, 1759:
Gerusalemme sconoscente ingrata, a cantata by Giovanni Battista Sammartini (58), is performed for the first time, in San Fedele, Milan.
April 6, 1759:
L’Addolorata Divina Madre, a cantata by Giovanni Battista Sammartini (58), is performed for the first time, in San Fedele, Milan.
March 14, 1760:
Della passione di Gesù Cristo, a cantata by Giovanni Battista Sammartini (59), is performed for the first time, in San Fedele, Milan.
May 10, 1761:
The Public Advertiser, London announces that six “overtures” by Giovanni Battista Sammartini (60) have been published. They include the symphonies JC.29 and JC.47.
July 24, 1765:
As part of festivities surrounding the visit of the Infanta Maria Luisa, future wife of Archduke Leopold, Giovanni Battista Sammartini (64) conducts his own music at an accademia in Pavia. Among the cello section is Luigi Boccherini (22).
November 27, 1766:
Publication of three works by Giovanni Battista Sammartini (65) is announced in the Public Advertiser, London: Symphony J.C.21 and two violin concertos J.C. 70 and 78.
November 8, 1768:
Giovanni Battista Sammartini (67) becomes maestro di cappella of the Regia Ducal Corte, Milan.
February 7, 1770:
Wolfgang Amadeus Mozart (14) performs at a reception given by Count Carl Joseph Firmian, Governor-General of Austrian Lombardy in Milan. It is attended by leading intellectual and artistic figures in Milan, including Giovanni Battista Sammartini (69). Firmian gives Wolfgang an edition of the works of Metastasio in nine volumes.
January 15, 1775:
After receiving the Last Rites of the Roman Catholic Church and a special papal blessing with plenary indulgence, Giovanni Battista Sammartini dies of "peripneumonia" in Milan, Duchy of Lombardy, Archduchy of Austria, aged approximately 74 years.
January 18, 1775:
After a solemn mass in memory of Giovanni Battista Sammartini, sung by musicians of the Milan Cathedral and others, his mortal remains are laid to rest in the Basilica of San Alessandro, Milan.