Dashed left edge = started before December 1666 ·
Dashed right edge = ongoing beyond December 1666
Events in December 1666 3
1591 – 1666Guercino (1591-1666)Died 22 December 1666, aged 75Giovanni Francesco Barbieri, known as Guercino, was one of the leading Baroque painters in Bologna, celebrated for dramatic frescoes and altarpieces. He ran a large and prosperous workshop after the death of his rival Guido Reni.
1666Great Moscow Synod deposes Patriarch NikonRussian Orthodox council strips Nikon of his office and exiles himA church council convened in Moscow with the participation of visiting Eastern patriarchs stripped Patriarch Nikon of his office and banished him to a remote monastery. The same synod condemned the Old Believers who rejected Nikon's earlier liturgical reforms, deepening the schism known as the Raskol.
1666Founding of the French Academy of SciencesLouis XIV's minister Colbert establishes a royal scientific academyJean-Baptiste Colbert founded the Academie Royale des Sciences in Paris to promote and coordinate scientific research under royal patronage. The academy brought together mathematicians, astronomers and naturalists and became one of Europe's leading scientific institutions.