 María Cristina was then forced to leave Spain and leave the Regency in Espartero's hands on 12 October 1840.
<fluency>  María Cristina was then forced to leave Spain and leave the Regency in Espartero's hands on 12 October 1840.
 María Cristina was then forced to leave Spain and leave the regency in Espartero's hands on 12 October 1840.