a style of architecture and decorative arts which appeared during the reign of Louis XV of France. From 1710 until about 1730, the period known as the Regency, it was largely an extension of the "Style Louis XIV" of his great-grandfather and predecessor, Louis XIV of France. From about 1730 until about 1750, it became more original, decorative and exuberant, in what was known as the rocaille style, under the influence of the King's mistress, Madame de Pompadour. It marked the beginning of the European Rococo movement. From 1750 until the King's death in 1774, it became more sober, ordered, and began to show the influences of neoclassicism.
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The house was furbished and resplendent—it was gilded—it was frescoed—it was à la Pompadour, and à laLouis Quinze and Louis Quatorze, and à la every thing Frenchy and pretty, and gay and glistening.
Harriet Beecher Stowe. Pink and White Tyranny (1871)
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Malory: All right, drop them there next to that awful Louis Quinze repro.
Adam Reed. Archer, season 1: Killing Utne (2010)
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“Don’t you think there’s something Louis Quinze about Tushkevitch?” he said, glancing towards a handsome, fair-haired young man, standing at the table.
“Oh, yes! He’s in the same style as the drawing-room and that’s why it is he’s so often here.”