What is associated with: 1851 the pequod?

What is associated with: 1850 wagner opera in which youd hear farewell farewell my beloved swan? What is associated with: 1850 work that features the piece heard here? What is associated with: 1850s tolstoy novels included childhood boyhood this which proverbially is wasted on the young? What is associated with: 1851 a white whale? What is associated with: 1851 the whale? What is associated with: 1851 whalers encounter a beastly bad time? What is associated with: 1852 a saintly slave saves a little girls life is later beaten to death? What is associated with: 1852 life among the lowly?