Perhaps you should try some spelling variations:
abierto ana » abierto en, abierto al
de 1810 » de 1880
y 1820 » y 1825, a 1820, y 1821
mar de » mar del
ana 2 » ana m, ana c, ana r
mar y » mar a, mas y
2 de » y de, 1 de
a 15 » al 15, a 10, 4 15
1 15 » 14 15, 15 15, 1 1

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( Cabildo abierto ana 2 de mar y 1820 ) OR ( Cabildo abierta ((a 15) OR (1 15)) de mar de 1810 ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( Cabildo abierto ana 2 de mar y 1820 ) OR ( Cabildo abierta ((a 15) OR (1 15)) de mar de 1810 ))".
• Adding a wildcard symbol may retrieve word variants: (( Cabildo abierto ana 2 de mar y 1820 ) OR ( Cabildo abierta ((a 15) OR (1 15)) de mar de 1810 ))*.