<Li> 1865--Thirteenth Amendment to the United States Constitution </Li> <Ul> <Li> The Underground Railroad was the inspiration for a faction in Fallout 4, the Railroad, consisting of safehouses for synthetic humanoids who escaped another faction known as the Institute . </Li> <Li> The Underground Railroad is a 2016 novel by Colson Whitehead . It won the 2016 National Book Award and the 2017 Pulitzer Prize for Fiction . </Li> <Li> Underground is an American television series that premiered in 2016, on WGN America . </Li> </Ul> <Li> The Underground Railroad was the inspiration for a faction in Fallout 4, the Railroad, consisting of safehouses for synthetic humanoids who escaped another faction known as the Institute . </Li> <Li> The Underground Railroad is a 2016 novel by Colson Whitehead . It won the 2016 National Book Award and the 2017 Pulitzer Prize for Fiction . </Li>

When did the underground railroad start and finish