Whiteboys. 1760. Irish peasants harass landlords, tax collectors, Protestant clergy. 1860-85. Secret Ribbonist movement.

Wolsey, Thomas. c1475-1530. English cardinal. Lord Chancellor to Henry VIII. Lost influence when unable to secure divorce from Catherine of Aragon. Built Hampton Court Palace as gift for Henry VIII. Unpopularity a cause of Reformation.

Yancey, William. 1814-63. US pro-slavery secession leader. American Civil War.

Yellow Hats. 14C. Monastic Tibetan Buddhist sect. Ruled 1642-1950. Dalai Lama.

Yellow Turban Rebellion. 184-204. Chinese secret society vs Emperor. Fall of Han dynasty. Ts’ao Ts’ao.

Zealots. Jewish sect. Led revolt vs Rome 66-70. Used terrorism, assassination of those friendly to Rome. Masada.

Zeidler. Invented DDT 1874. Used as insecticide 1939-70.

Zen Buddhism. 6C-. Sect founded by Bodhidharma. Sudden Enlightenment by meditation on Koan paradoxes. 1191 imported to Japan.