Valdemar I Knudsen, also known as Valdemar the Great, was King of Denmark from 1154 until his death in 1182. The reign of King Valdemar I saw the rise of Denmark, which reached its medieval zenith under his son King Valdemar II.
- Occupation
- monarch
- Position held
- Monarch of Denmark
- Citizenship
- Kingdom of Denmark
- Born
- January 14, 1131
- Died
- May 12, 1182