Perhaps you should try some spelling variations:
abierto ana » abierto en, abierto al
ana 1949 » ana 1979, anos 1949, ana 1958
del 1810 » de 1810, del 1800, del 80
1949 de » 1945 de, 1929 de, 1943 de
mar del » maria del
y 1821 » y 1825, 1 1821, y 1822
mar y » mar a, mas y
1 12 » 31 12, 1 2, 1 1

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 12 de mar y 1821 ) OR ( Cabildo abierto ana 1949 de mar del 1810 ))~".
• Adding a wildcard symbol may retrieve word variants: (( Cabildo abiertas 1 12 de mar y 1821 ) OR ( Cabildo abierto ana 1949 de mar del 1810 ))*.