Olympic-class ocean liner a dining room. "Britannic" provided third-class passengers more comfort than its two sister ships. First of the "Olympic"-class liners, "Olympic" was launched on 20 October 1910 and commissioned on 14 June 1911. She made her maiden voyage on 14 June 1911, under the command of Captain Edward J. Smith to great fanfare and acclaim. On 20 September of the same year, while under the command of a harbour pilot she was involved in a collision with the cruiser in the port of Southampton, leading to her repair back at Harland and Wolff and delaying the launch of her sister "Titanic".
RMS Olympic made her operation increasingly unprofitable. "Olympic" was the largest ocean liner in the world for two periods during 1911–13, interrupted only by the brief tenure of the slightly larger (which had the same dimensions but higher gross tonnage owing to revised interior configurations), before she was then surpassed by . "Olympic" also retained the title of the largest British-built liner until was launched in 1934, interrupted only by the short careers of her slightly larger sister ships. The "Olympic" was withdrawn from service and sold for scrap in 1935; demolition was completed in 1937. Decorative elements of "Olympic" were removed