Perhaps you should try some spelling variations:
abierta a » abierta y, abiertas 1, abierta en
y 1860 » y 1960, a 1860, c 1860
a 1820 » a 1920, a 1850, a 1827
20 de » 2 de, 30 de, 24 de
mar y » mar a, mas y
mi do » i do
do mr » do mar, de mr, do ar
a 20 » a 200, al 20, la 20
mr a » mar a, m a, r a

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 abierta a 20 de mar y 1860 ) OR ( Cabildo abierta de mi do mr a 1820 ))~".
• Adding a wildcard symbol may retrieve word variants: (( Cabildo abierta a 20 de mar y 1860 ) OR ( Cabildo abierta de mi do mr a 1820 ))*.