 After the events of July, O'Donnell's weakness led the Queen to change government again with Narváez on 12 October 1856.
<fluency>  After the events of July, O'Donnell's weakness led the Queen to change government again with Narváez on 12 October 1856.
 After the events of July, O'Donnell's weakness led the queen to change government again with Narváez on 12 October 1856.