<page_title> List of Portuguese monarchs </page_title> <section_title> House of Burgundy (1139–1383) </section_title> <table> <cell> Peter I The Just; The Cruel Portuguese: Pedro I <col_header> Name </col_header> </cell> <cell> 8 April 1320 – 18 January 1367 (aged 46) <col_header> Lifespan </col_header> </cell> <cell> 28 May 1357 <col_header> Reign start </col_header> </cell> <cell> 18 January 1367 <col_header> Reign end </col_header> </cell> </table>
Peter I (Portuguese: Pedro I) (8 April 1320 – 18 January 1367), called "the Just", or "the Cruel", was King of Portugal from 1357 until his death.