Complex sentence: The exact date of the foundation of Trujillo is still under investigation and according to the historian Napoleón Cieza Burga, this would have been performed by Diego de Almagro in November of 1534.
Split into simpler sentences: The exact date of the foundation of Trujillo is still under investigation. According to historian Napoleón Cieza Burga, this would have been performed by Diego de Almagro in November of 1534.