The Seawise Giant, also famously recognized as the Knock Nevis, holds the esteemed title of being the largest ship ever constructed. With awe-inspiring dimensions of 458 meters in length and 70 meters in width, this colossal vessel served as an oil tanker from 1979 to 2010. Renowned for its sheer magnitude and unparalleled scale, the Seawise Giant remains an emblem of maritime engineering prowess. Meanwhile, in the realm of container shipping, the Mærsk Mc-Kinney Møller stands out as another remarkable feat of engineering, boasting extraordinary size and continued operation in the modern era.