1. One hundred years ago: 1841-1851 -- 2. The busy age: 1851-1861 -- 3. The war years: 1861-1871 -- 4. Planning for the future: 1871-1881 -- 5. Life in Lancaster: 1881-1891 -- 6. The town becomes a city: 1891-1901 -- 7. The automobile age: 1901-1911 -- 8. War and peace: 1911-1921 -- 9. New plans and projects: 1921-1931 -- 10. Rounding out two centuries of progress: 1931-1941 -- 11. The second world war: 1941-1945 -- 12. Greater Lancaster: 1945-1955.