7th April 1498: Savonarola takes part in a failed trial by fire that was intended to test his holiness

The belief was that God would intervene to protect Savonarola from the flames, but he and his opponents squabbled for so long that a rainstorm eventually led to the cancellation of the event.

26th April 1478: The Pazzi family launch their failed plot against the Medici family

The Pazzi family in Florence launched their unsuccessful plot to overthrow the Medici family with an assassination attempt against the brothers Lorenzo and Giuliano de’ Medici.