First, the flood. Two independent methods—one scientific and the other biblical—will be used to calculate the date the flood began. Over the last 2,000 years, Bible scholars have proposed dozens of conflicting biblical chronologies. Although most chronologies give dates for the flood that are reasonably close to the scientifically derived conclusion (explained below), only five biblical proposals lie within the ±100 year accuracy of the scientifically derived date, which will now be explained.