| Date | Event |
|---|---|
| 1784 | Dionisio Aguado Was Born |
| 1784 | Wilhelm Friedemann Bach Died |
| 1784 | Heinrich Baermann Was Born |
| 1784 | Teresa Belloc-Giorgi Was Born |
| 1784 | John Bennett Died |
| 1784 | François-Joseph Fétis Was Born |
| October 05 1784 | Antonín Kammel Died |
| 1784 | Karl Kohaut Died |
| 1784 | Giovanni Battista Martini Died |
| 1784 | Martin-Joseph Mengal Was Born |
| 1784 | Francesco Morlacchi Was Born |
| 1784 | George Onslow Was Born |
| 1784 | Ferdinand Ries Was Born |
| 1784 | Louis Spohr Was Born |
| January 14 1784 | Peace Treaty Ratified Ending American Revolution |
| February 28 1784 | John Wesley Charters Methodist Church |
| March 11 1784 | Treaty Of Mangalore Ends Second Anglo-Mysore War |
| March 22 1784 | Emerald Buddah Moved To Wat Phra In Ceremony |
| June 04 1784 | Thible First Woman To Fly Balloon |
| August 17 1784 | Boccherini Receives 1200 Reals Pay Raise |
| August 23 1784 | Western North Carolina Announces Statehood As Franklin |
| October 22 1784 | Russia Found A Colony In Alaska |
| November 26 1784 | Catholic Apostolic Prefecture Established |