Original sentence: On the Cities for Life Day, November 30, 300 cities around the world commemorate the first abolition of the death penalty by a European state, decreed by Peter Leopold Joseph of Habsburg-Lorraine in 1786 for his Grand Duchy of Tuscany
Edited sentence: On the Cities for Life Day, November 30, 300 cities around the world commemorate the first abolition of the death penalty by a European state, decreed by the elightened monarch, Peter Leopold Joseph of Habsburg-Lorraine in 1786 for his Grand Duchy of Tuscany