# Valdemar I of Denmark

> King of Denmark

**Wikidata**: [Q297194](https://www.wikidata.org/wiki/Q297194)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Valdemar_I_of_Denmark)  
**Source**: https://4ort.xyz/entity/valdemar-i-of-denmark

## Summary
Valdemar I of Denmark was a monarch who ruled as King of Denmark from 1131 until his death in 1182. He is best known for his expansion of Danish power and the establishment of the Dannebrog flag, which remains Denmark's national symbol today.

## Biography
- Born: January 14, 1131
- Nationality: Danish
- Education: Unknown (no records available)
- Known for: Expanding Danish territory and establishing the Dannebrog flag
- Employer(s): Kingdom of Denmark
- Field(s): Monarchy, statecraft

## Contributions
Valdemar I of Denmark is credited with the establishment of the Dannebrog flag, which was first used in battle in 1219. This flag became a symbol of Danish identity and remains the national flag of Denmark to this day. He also expanded Danish influence through military campaigns, securing territories that strengthened the kingdom's position in the region.

## FAQs
**When did Valdemar I of Denmark rule?**
Valdemar I of Denmark ruled as king from January 14, 1131, until his death on May 12, 1182.

**What is Valdemar I of Denmark known for?**
Valdemar I of Denmark is known for his military campaigns that expanded Danish territory and for establishing the Dannebrog flag, which became Denmark's national symbol.

**Where is Valdemar I of Denmark buried?**
There is no specific information available about the burial location of Valdemar I of Denmark in the provided source material.

## Why They Matter
Valdemar I of Denmark's reign was significant for its military achievements and the establishment of the Dannebrog flag, which remains a powerful symbol of Danish identity. His campaigns expanded Danish influence in the region, shaping the kingdom's territorial boundaries. The flag he introduced became a national emblem, representing Denmark's heritage and unity.

## Notable For
- Established the Dannebrog flag, which remains Denmark's national symbol
- Expanded Danish territory through military campaigns
- Ruled as king from 1131 to 1182, a period of significant Danish influence

## Body
### Early Life and Reign
Valdemar I of Denmark was born on January 14, 1131. He ascended to the throne in 1131, succeeding his father, Niels of Denmark. His reign marked the beginning of a period of expansion for the Kingdom of Denmark.

### Military Campaigns and Expansion
Valdemar I is known for his military campaigns, which aimed to expand Danish territory. These campaigns were crucial in securing Danish influence in the region. His military successes strengthened the kingdom's position and laid the foundation for future Danish expansion.

### Establishment of the Dannebrog Flag
One of Valdemar I's most enduring contributions was the establishment of the Dannebrog flag. The flag was first used in battle in 1219, becoming a symbol of Danish identity. It was officially adopted as the national flag of Denmark in 1219, a date that remains significant in Danish history.

### Legacy and Influence
Valdemar I of Denmark's reign left a lasting impact on Denmark. His military campaigns expanded the kingdom's territory, while the Dannebrog flag became a powerful symbol of national identity. His legacy continues to influence Denmark's cultural and political identity, representing the country's heritage and unity.

## References

1. Source
2. The Peerage
3. Virtual International Authority File
4. Encyclopædia Britannica Online
5. Find a Grave
6. Dansk Biografisk Leksikon
7. Croatian Encyclopedia
8. Freebase Data Dumps. 2013
9. IdRef
10. LIBRIS. 2012
11. Sejm-Wielki.pl