Updated timelines

gallagher, colin timeline
The Dark Ages
Chinese Revolution and Balzac
Chinese Revolution and Balzac timeline
The Dark Ages
Richard Wright 1945-1955
Richard Wright 1945-1955 timeline
Christianity and the Dark Ages
Isaac Newton
Jane Goodall
American Revolution
American Revolution timeline
Charles Darwin
Antoni Van Leewenhoek
Christianity and the Dark Ages
The Dark Ages Timeline
Marie Curie
Shane Titus's timeline
Devon Hunter's timeline