These kingdoms, usually termed simply as "lands" in Hittite registers, could have formed part of the Arzawa complex already during the existence of Arzawa kingdom.

April 8 - The kingdoms of Italy and Prussia form an alliance against the Austrian Empire.

On a modern map of India, this kingdom roughly forms most of the Haryana state.

It appoints three of the six-member Council of the Territory (the other three being the traditional Kings whose kingdoms formed the territory).

The kingdoms, sultanates and principalities of the South Asian subcontinent have formed many political alliances over the centuries.

Several southern kingdoms formed overseas empires that stretched into Southeast Asia.

In prehistoric times a kingdom formed along the coasts north of the Mekong River Delta.

This kingdom formed from the merger of two cultures.

On 4 November 1814, the kingdoms of Sweden and Norway formed a personal union under one king.

The kingdom did not last but formed the base of the Moeng Lü (1180-1950).