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The former prime minister of Iceland before Sigmundur Davíð Gunnlaugsson was Jóhanna Sigurðardóttir. Elected in 2009, she held the position until 2013. Her tenure marked significant milestones, including leading Iceland through the aftermath of the 2008 financial crisis and becoming the world's first openly gay head of government. Her strong leadership and commitment to social justice left a lasting impact on the nation.