Query: On which date did Detroit file bankruptcy?
Context: The Governor of Michigan, Rick Snyder, declared a financial emergency for the city in March 2013, appointing an emergency manager. On July 18, 2013, Detroit filed the largest municipal bankruptcy case in U.S. history. It was declared bankrupt by Judge Steven W. Rhodes of the Bankruptcy Court for the Eastern District of Michigan on December 3, 2013; he cited its $18.5 billion debt and declared that negotiations with its thousands of creditors were unfeasible.