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1866 in Paraguay
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May 2026
1866
Events in the year 1866 in Paraguay.
Incumbents
President: Francisco Solano López
Vice President: Domingo Francisco Sánchez
Events
January 31 - Battle of Pehuajó
May 2 - Paraguayan War: Battle of Estero Bellaco
May 24 - Battle of Tuyutí
July 18 - Battle of Boquerón (1866)
September 1–3 - Battle of Curuzú
September 22 - Battle of Curupayty
Deaths
July 18 - Elizardo Aquino, general, killed in action
1866 in