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Which Habsburg ruler was the last Holy Roman emperor crowned in Rome?

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Stone ruins of Habsburg Castle, also known as Habichtsburg, stand on a hill above green vineyards in Aargau canton, Switzerland, with a flag flying atop the tower. — House of Habsburg Ruins of the castle of Habsburg, or Habichtsburg (“Hawk's Castle”), built 1020, the original seat of the house of Habsburg, Aargau canton, Switzerland.

The last Holy Roman emperor to be crowned in Rome was the Habsburg ruler Frederick III. He received the imperial crown in the city on March 19, 1452.123