Perhaps you should try some spelling variations:
abierto v » abierto y, abierto en, abierto al
de maria » de marzo, de marx
maria a » maria e, maria de, maria di
a 1820 » a 1920, a 1850, a 1827
mar a » mar y
de 20 » del 20, de 2, de 0
20 de » 2 de, 30 de, 24 de
v 12 » v 1, v 2, v 14
a 16 » al 16, 1 16, 3 16

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( Cabildo abierto v 12 de mar a 16 ) OR ( Cabildo abierta de 20 de maria a 1820 ))~".
• Adding a wildcard symbol may retrieve word variants: (( Cabildo abierto v 12 de mar a 16 ) OR ( Cabildo abierta de 20 de maria a 1820 ))*.