| 31. | King Frederick William IV became infatuated with Hannegan.
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| 32. | Their commander William IV of Holland was killed.
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| 33. | In 1749 he oversaw a proposal by stadholder William IV of a binding college.
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| 34. | William IV died the following year and William V inherited the Lordship of Hardenberg.
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| 35. | William IV died unexpectedly, at the age of 40, on 22 October 1751.
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| 36. | William IV was considered an attractive, educated, and accomplished prince in his prime.
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| 37. | In October 1848, King Frederick William IV of Prussia unilaterally issued a monarchist constitution.
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| 38. | William was supported by the party of William IV, who was killed in battle.
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| 39. | Of special note is the William IV window that was brought to Adelaide in 1836.
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| 40. | It was William IV of Aquitaine who sheltered Louis afterwards, from 1005 until 1012.
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