Why did God send a three-year famine on David's kingdom?
And the magicians did so with their enchantments to bring forth lice, but they could not: so there were lice upon man, and upon beast. Then the magicians said unto Pharaoh, This is the finger of God. Exodus 8:18
Why did God send a three-year famine on David's kingdom?
Because Saul killed the Gibeonites
Then there was a famine in the days of David three years, year after year; and David enquired of the LORD. And the LORD answered,
It is for Saul, and for his bloody house, because he slew the Gibeonites. 2 Samuel 21:1