Tossup

A polymath in this kingdom, who helped pass one of the world’s earliest freedom of information acts, predated Adam Smith’s ideas with his pamphlet The National Gain. A ruler of this kingdom died after eating fourteen large servings (10[1])of pastries (10[1])on Shrove Tuesday. (10[2])A different ruler of this kingdom conducted a twin study to see if coffee was (10[2])poisonous, (10[2]-5[1])and (10[1])negotiated (-5[1])with Louis XVI (10[1])to purchase the colony of Saint Barthélemy in the West Indies. Louisa Ulrika of Prussia attempted a 1756 coup in this kingdom during the reign of her son, who was supported by an anti-Russian faction known for wearing tricorns. (10[2])After committing (10[1])a self-coup (10[1])that ended the Age of Liberty, (10[1])a ruler of (10[2])this kingdom was assassinated at a masked ball. (10[1])For 10 points, (10[1])give this country currently ruled (10[1])by the Bernadotte dynasty, (-5[1])and once (10[1])ruled by the Vasa dynasty. (10[1])■END■ (10[2])

ANSWER: Kingdom of Sweden [or Konungariket Sverige (“SVARR-yeh”)] (The first clue refers to Anders Chydenius.)
<European History>
= Average correct buzz position
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