Usurpation of Qi by Tian the name "Qi" for its realm after the usurpation. For historiographical purposes, pre-usurpation Qi is referred to as "Jiang Qi" (姜齊), and post-usurpation Qi is referred to as "Tian Qi" (田齊). Qi was originally ruled by the Jiang clan, the descendants of Jiang Ziya. In 672 BCE, Prince Chen Wan of the State of Chen fled to Qi following political unrest in his native state and became the progenitor of the Chen clan of Qi, which was later known as Tian. By 545 BCE, the Tian clan was one of the strongest families in Qi. Tian Huanzi, in conjunction with
The Lord of the Rings: The Two Towers UK distributor, which had threatened to withhold advance supplies of subsequent DVD releases. As with "The Fellowship of the Ring", an extended edition of "The Two Towers" was released on VHS and DVD in November 18, 2003 with 45 minutes of new material, added special effects and music, plus 11 minutes of fan-club credits. The runtime expanded to 223 minutes. The 4-disc DVD set included four commentaries along with hours of supplementary material. In August 2006, a limited edition of "The Two Towers" was released on DVD. The set included both the film's theatrical and extended editions on a double-sided