A nationalist party in this country called the "Hats" advocated war with Russia during the eighteenth century, during which this country experienced an "Age of Liberty.
A former ruler of this country ordered the killing of Gian Rinaldo Monaldeschi after the latter revealed that ruler's plans to become the ruler of Naples. A ruler of this country notably organized his infantry linearly, rather than into tercios, and employed lighter artillery for greater mobility. A nationalist party in this country called the "Hats" advocated war with Russia during the eighteenth century, during which this country experienced an "Age of Liberty." This country was led by a queen who converted to Catholicism and whose father died at the Battle of Lutzen. Along with Poland, this country was ruled by the House of Vasa, which included Queen Christina and her father, Gustavus Adolphus. For 10 points, name this Scandinavian country whose capital was the site of the Stockholm Bloodbath.
A former ruler of this country ordered the killing of Gian Rinaldo Monaldeschi after the latter revealed that ruler's plans to become the ruler of Naples.
Kingdom of Sweden [or Konungariket Sverige]