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| YEAR | DATE | EVENT | HEAD OF STATE |
| 1798 | State resident in Moscow Order of St. John | 72° G.M. zar Paolo I of Russia | |
| 1801 | 13 march | leutenent de facto Nikolaj Ivanovic Saltykov | |
| 1803 | 73° G.M. John Battista Tommasi | ||
| 1805 | State resident in Catania | leutenent Innico Maria Guevara | |
| 1814 | leutenent Andrea of John | ||
| 1821 | leutenent Antonio Busca | ||
| 1826 | State resident in Ferrara | ||
| 1834 | State resident in Roma | leutenent Carlo Candida | |
| 1845 | leutenent Filippo of Colloredo-Mels | ||
| 1865 | leutenent Alessandro Borgia | ||
| 1871 | leutenent John Battista Ceschi | ||
| 1879 | 74° G.M. John Battista Ceschi | ||
| 1905 | 75°G.M.Galeazzo von Thun-Hohenstein | ||
| 1931 | 76°G.M. Ludovico Chigi Della Rovere | ||
| 1951 | leutenent Antonio Hercolani-Fava | ||
| 1955 | leutenent Ernesto Paternò | ||
| 1962 | 77°G.M. Angelo de Mojana of Cologna | ||
| 1988 | 78° G.M. Andrew Villoughby Ninia | ||
| 2008 | 7 february | leutenent Giacomo Dalla Torre del Tempio di Sanguinetto (I) | |
| 2008 | 11 march | 79° G.M. Matthew Festing | |
| 2017 | 28 january | leutenent Grand Commander Ludwig Hoffmann von Rumerstein | |
| 2017 | 29 april | leutenent Giacomo Dalla Torre del Tempio di Sanguinetto (II) | |
| 2018 | 2 may | 80° G.M. Giacomo Dalla Torre del Tempio di Sanguinetto | |
| 2020 | 4 may | leutenant Ruy Gonçalo do Valle Peixoto de Villas Boas | |
| 2020 | 8 november | leutenant Marco Luzzago | |
| 2022 | 13 june | leutenant John T. Dunlap | |
| 2023 | 3 june | 81° G.M. John T. Dunlap |