Clear contradictions in the Old Testament

Factual/Historical Contradictions

Topic	Passage 1	Passage 2	Contradiction
David's census punishment	2 Samuel 24:13 - Seven years of famine	1 Chronicles 21:12 - Three years of famine	Different duration
Who incited David's census	2 Samuel 24:1 - God	1 Chronicles 21:1 - Satan	Different entity
Ahaziah's age at reign	2 Kings 8:26 - 22 years old	2 Chronicles 22:2 - 42 years old	20-year difference
Jehoiachin's age	2 Kings 24:8 - 18 years old	2 Chronicles 36:9 - 8 years old	10-year difference
Solomon's horses	1 Kings 4:26 - 40,000 stalls	2 Chronicles 9:25 - 4,000 stalls	10x difference

Aspect	Genesis 1	Genesis 2	Difference
Order	Plants → Animals → Humans	Adam → Plants → Animals → Eve	Different sequence
Timeline	Six days	One day ("in the day")	Different duration
Human creation	Male/female together	Adam first, Eve later	Different process

Issue	Passage 1	Passage 2	Contradiction
Punishment for parents' sins	Exodus 20:5 - Children punished to 3rd/4th generation	Deuteronomy 24:16 - Children not punished for parents	Opposite principles
Seeing God	Exodus 33:20 - No one can see God and live	Genesis 32:30, Exodus 24:9-11 - People saw God	Direct contradiction
God's repentance	Numbers 23:19 - God doesn't repent	Genesis 6:6, 1 Samuel 15:11 - God repented	Opposite claims

Person	Issue	References	Problem
Moses' father-in-law	Named Reuel, Jethro, and Hobab	Exodus 2:18, 3:1, Numbers 10:29	Multiple names/persons?
Benjamin's sons	Different numbers	Genesis 46:21 vs 1 Chronicles 7:6	Count mismatch