Perhaps you should try some spelling variations:
abierto ana » abierto en, abierto al
ana 1979 » ana 1958, en 1979
1979 de » 1929 de, 1975 de, 1949 de
de 1810 » de 1880
122 de » 12 de, 22 de
1 1821 » 1 1801, y 1821
mar de » mar del
1 122 » 1 12, 1 22, n 122
mar 1 » mar a, mar y

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 abiertas 1 122 de mar 1 1821 ) OR ( Cabildo abierto ana 1979 de mar de 1810 ))~".
• Adding a wildcard symbol may retrieve word variants: (( Cabildo abiertas 1 122 de mar 1 1821 ) OR ( Cabildo abierto ana 1979 de mar de 1810 ))*.