Savannas, or grasslands, cover almost half of Africa, more than 13 million square kilometers (5 million square miles). These grasslands make up most of central Africa, beginning south of the Sahara and the Sahel and ending north of the continents southern tip.
Some English Catholics settled in Maryland. In 1789 the Archdiocese of Baltimore was the first diocese in the newly formed United States. John Carroll became the first American bishop.
