 Complete the following phrase:  The station opened in 1863 along with the Metropolitan line, subsequently catering for the Hammersmith  City and Circle lines. It was expanded in 1868 with the opening of the City Widened Lines, and the Northern and Piccadilly platforms opened in the early 20th century. During the 1930s and 1940s, the station was restructured and partially rebuilt to cater for expanded traffic. The Victoria line connection opened in 1968. The 1987 