Complex sentence: On the morning of 11 March, these men entered the Gate of Montrescu; the first group carried sacks of walnuts and apples, which "accidentally" capsized at the city gate.
Split into simpler sentences: On the morning of 11 March, these men entered the Gate of Montrescu. The first group carried sacks of walnuts and apples, which "accidentally" capsized at the city gate.