Complex sentence: Is is continental Europe's oldest school of international relations (Aberystwyth University in Wales was founded in 1919) and was the first university dedicated solely to the study of international affairs, and it offered one of the first doctoral programs in international relations in the world.
Split into simpler sentences: Is is continental Europe's oldest school of international relations (Aberystwyth University in Wales was founded in 1919) and was the first university dedicated solely to the study of international affairs. It offered one of the first doctoral programs in international relations in the world.