Tomás Valladares was the acting 11th President (then called Supreme Director) of Nicaragua from 7 November 1839 to 21 September 1840.
References
Tomás Valladares Wikipedia(Text) CC BY-SA
Tomás Valladares was the acting 11th President (then called Supreme Director) of Nicaragua from 7 November 1839 to 21 September 1840.