On this day in conspiracies

In a Mexico City speech marking the PRI's founding, Colosio strikes an unexpectedly independent tone, decrying a Mexico of "hunger and want" and signaling distance from the government of President Carlos Salinas de Gortari. Many later read the speech as the moment he became a threat to the party establishment.

Newsweek's cover story names Dorian Prentice Satoshi Nakamoto, a Californian engineer, as the creator. He flatly denies it, and the identification collapses. It is the first of several high-profile unmaskings that fail.

Supreme Leader Ali Khamenei calls the poisoning of schoolgirls, if deliberate, an 'unforgivable' crime that should carry the death penalty, publicly acknowledging the crisis after weeks of official dismissal.