The first palatial structures at Knosses, and other great cities such as Phaistes and Malia, were erected around 2000 b.c., but these were destroyed by an earthquake 300 years later.
The earthquake killed 1,000 people. 
mnli hypothesis: The earthquake killed 1,000 people.  premise: The first palatial structures at Knosses, and other great cities such as Phaistes and Malia, were erected around 2000 b.c., but these were destroyed by an earthquake 300 years later.