7 de januario

Eventos 
 1901: Léopold Leau funda le Delegation pro le Adoption de un Lingua Auxiliar International.
 2001: clausura del Turre oblique de Pisa

 Nascentias 
 1502: Papa Gregorio XIII, papa catholic, promulgator del calendario gregorian
 1834: Johann Philipp Reis, inventor german
 1979: Bipasha Basu, actrice indian

 Mortes 
 1943: Nikola Tesla, inventor serbe-statounitese
 1972: John Berryman, poeta statounitese
 1986: Juan Rulfo, scriptor mexican
 2013: Huell Howser, personalitate statounitese de television
 2015: Piet Cleij, lexicographo e interlinguista nederlandese
 2020: Alexandre Matheron, philosopho francese
 2021: Michael Apted, director anglese

 Dies festive