Eustace IV ruled the County of Boulogne from 1146 until his death. He was the eldest son of King Stephen of England and Countess Matilda I of Boulogne. When his father seized the English throne on Henry I's death in 1135, he became heir apparent to the English throne but predeceased his father.
Eustace IV, Count of Boulogne (born 1130)
On August 17, in the year 1153, Eustace IV, Count of Boulogne (born 1130). This event is recorded as a Notable Deaths event in the history of August 17, one of 414 recorded events on this date across all of history.
1 notable person is associated with this event, including Eustace IV of Boulogne. Learn more below.
Key Facts
- This event took place on August 17, 1153 (AD era).
- It is categorised as a Notable Deaths event in recorded history.
- Referenced in 1 Wikipedia article.
- 1 notable person is recorded as involved in or associated with this event.
- Wikipedia source last updated on 19 June 2026.
On This Date in History 414
This article draws on content from Wikipedia, available under CC BY-SA 4.0.
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