Complex sentence: After receiving his education at Eton and Edinburgh, he joined the army in 1810, saw service in America and Flanders; distinguished himself at the bombardment of Copenhagen; and represented England at the court of Russia and the Congress of Vienna.
Split into simpler sentences: After receiving his education at Eton and Edinburgh, he joined the army in 1810. He saw service in the United States and Flanders; distinguished himself at the bombardment of Copenhagen; and represented England at the court of Russia and during the Congress of Vienna.