Complex sentence: On 14 August 1370, Charles IV, Holy Roman Emperor and Czech king, gave city privileges to the place that subsequently was named after him, according to legend after he had acclaimed the healing power of the hot springs.
Split into simpler sentences: On 14 August 1370, Charles IV, Holy Roman Emperor and Czech king, gave the city privileges to the place that subsequently was named after him. According to legend after he had acclaimed the healing power of the hot springs.