At what age did Wolfgang Amadeus Mozart write his first symphony?

Wolfgang Amadeus Mozart composed his first symphony at the age of 8, which is a significant highlight in his early musical career. This achievement showcases not only his prodigious talent but also his early exposure to musical training and composition. From a young age, Mozart demonstrated remarkable abilities in music, and his first symphony further solidified his reputation as a child prodigy. This early work was composed in 1764 while he was living in London with his family, reflecting the influences of the musical environment around him. Additionally, composing at such a young age set the stage for his prolific output in the years to come, leading to a celebrated career filled with numerous symphonies, operas, and chamber works.