Mexican president <a href="https://en.wikipedia.org/wiki/Gustavo_D%C3%ADaz_Ordaz" class="extiw" title="en:Gustavo Díaz Ordaz">Gustavo Díaz Ordaz</a> (left) and U.S. President <a href="https://en.wikipedia.org/wiki/Richard_Nixon" class="extiw" title="en:Richard Nixon">Richard Nixon</a> (right) riding a presidential motorcade in San Diego, California, USA.
White House photo by Atkins, Oliver F., photographer
1970-09-04
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