List of sovereign debt crises
The list of sovereign debt crises involves the inability of independent countries to meet its liabilities, as they become due. These include: a sovereign default, where a government suspends debt repayments; a debt restructuring plan, where the government agrees with other countries, or unilaterally reduces its debt repayments; requiring assistance from the International Monetary Fund or another international source.
Source: Wikipedia — List of sovereign debt crises (CC BY-SA 4.0)