Simplify the following text for a Grade 7 native English-speaking person.
Original: Liszt chose to conduct it on that particular day because 28 August was the birthday of Johann Wolfgang von Goethe who had lived in Weimar .
Simplified: Liszt chose the date in honor of Weimar 's most famous citizen , Johann Wolfgang von Goethe , who was born on 28 August 1749 .