Many Unitarians in England still call themselves Presbyterians.
Under the leadership of Dr Henry Cooke, a minister of rare ability and eloquence, the evangelical party triumphed in the church courts, and the Unitarians seceded and became a separate denomination.
After the conclusion of the peace with Brazil, the Unitarians placed themselves under the leadership of General Juan de Lavalle, the victor of Ituzaingo.
The Unitarians were relentlessly hunted down and a veritable reign of terror ensued.
The rule of Rosas was now one of tyranny and almost incessant bloodshed in Buenos Aires, while his partisans, foremost amongst whom was General Ignacio Oribe, endeavoured to exterminate the Unitarians throughout the provinces.