The Louis of Spain reference article from the English Wikipedia on 24-Apr-2004
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Louis of Spain

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King Louis of Spain ( August 25, 1707 - August 31, 1724) ruled less than one year between the time his father Philip V abdicated in his favour, and his death from smallpox, both in 1724. Upon his death his father returned to the throne.

Preceded by:
Philip V of Spain
List of Spanish monarchs Succeeded by:
Philip V of Spain