The state formed by Boleslaus I of Poland in 1025 during his coronation. There were few consecutive states named Kingdom in Polish history.

• Kingdom of Poland of the first Piasts 1025-1138 (Kingdom of the first Piasts)
• divided Kingdom of Poland 1138-1295 (Kingdom of Poland during feudal partition )
• reunited Kingdom of Poland of the last Piasts 1295-1370 (Kingdom of the later Piasts )
• Kingdom of Poland in personal union with Hungary 1370-1385
• Kingdom of Poland united with Lithuania 1385-1569
• Congress Poland 1815-1831(1916)
• Kingdom of Poland (Mitteleuropa) 1916-1918

See also History of Poland.