Original: In a 1866 coup d' Ã tat, Cuza was exiled and replaced by Prince Karl of Hohenzollern-Sigmaringen, who became known as Prince Carol of Romania.
Simplified: In 1866, a coup d' Ã tat resulted in Cuza being exile; he was not allowed into that part of the country. Prince Karl of Hohenzollern-Sigmaringen became the new leader, and was later called Prince Carol I of Romania.