Frederick William IV of Prussia died on 1861-01-02.
Frederick William IV of Prussia was born on 1795-10-15.
Frederick William IV refused the German throne, which had been offered to him by the Frankfurt Parliament on Oct.3,1849 because : "He would not accept a crown from the gutter"
Frederick William IV was a fan of constitutions. These were often his resolution to many of the problems that his country faced during his rule. His biggest constitution was created when he decided to turn Prussia into a liberal government.
I will assume that you mean a Frederick William of Prussia, specifically Frederick William IV. He is remembered as a patron of the arts and music, perhaps especially of Mendelssohn, and also for numerous buildings. You might be interested to read his wikipedia article.
Frederick IV of Baden died in 1517.
Frederick IV of Naples died in 1504.
Frederick IV of Oettingen died on 1415-09-19.
Frederick IV of Denmark died on 1730-10-12.
No, Frederick William IV and his wife Elizabeth of Bavaria had no children.
King Frederick IV of Denmark died on October 12, 1730 at the age of 59.
William Rathbone IV died in 1809.
Frederick Nah IV's birth name is Frederick Nah IV.