The biggest bank failure in global financial history when measured by total assets and systemic scale is frequently cited as the collapse of major international financial institutions during systemic panics, or historic institutional liquidations. In the United States, the 2008 bankruptcy and failure of Washington Mutual remains the largest depository bank collapse, involving over three hundred billion dollars in assets. On a broader international scale, government interventions, emergency nationalizations, and massive cross-border restructurings—such as the collapse of Iceland's major banking system during the financial crisis or the emergency state-backed rescue of Credit Suisse—involved staggering balance sheet losses that dwarfed traditional domestic bank insolvencies, reshaping global regulatory policies forever.