Yes it was invented in the 1860s

No, the 1860s are in the 19th century.

Yes they ate salad in the 1860s.

The largest town in BC in the 1860s was Barkerville. It is stated that in the 1860s the population was 5,000 and it was designated the National Historic Site of Canada in the year 1924.

Alice's Adventures in Wonderland was written in the 1860s, during the Victorian era. Men wore three piece suits, women wore long dresses with corsets and crinolines, and young girls wore over the knee dresses with pinafores to protect them.

For the Wikipedia entry on 1860s fashion follow the related link below.