This Day in History: 0000-09-27
27 Sep to 15 Oct – 23,000 soldiers of the Holy Roman Empire, Bohemia and Spain hold Vienna against an Ottoman siege army of 120,000 under Suleiman the Magnificent (1529). The Turks had reached their high-water mark in Europe.
27 Sep – Jean Francois Champollion, a French philologist and orientalist, finished deciphering the Rosetta Stone, a stone including Greek, demotic script, and Egyptian hieroglyphs. This enabled scholars to understand hieroglyphics for the first time (1822).