Six Kingdoms may refer to: In biology, a scheme of classifying organisms into six kingdoms: Proposed by Carl Woese et al: Animalia, Plantae, Fungi, Protista, Archaea/Archaeabacteria, and Bacteria/Eubacteria Proposed by Thomas Cavalier-Smith: Animalia, Plantae, Fungi, Chromista, Protozoa and Eukaryota In Chinese history, six of the Seven Warring States that formed an alliance but were still conquered by Qin: Qi, Chu, Yan, Han, Zhao, and Wei See also Six Dynasties