Quadruple Alliance of 1674

Germany, Spain, Denmark, and Holland formed an alliance against France to resist the encroachments of Louis XIV., who had declared war against Holland. It terminated with the treaty of Nimeguen in 1678.

Quadruple Alliance of 1718-1719

An alliance between England, France, Germany, and Holland, to guarantee the succession in England to the House of Hanover; to secure the succession in France to the House of Bourbon; and to prohibit Spain and France from uniting under one crown. Signed at Paris.

Quadruple Alliance of 1834

The alliance of England, France, Spain, and Portugal for the purpose of restoring peace to the Peninsula, by putting down the Carlists or partisans of Don Carlos.

Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894

Quaestio Vexata

Quadroon