Updated timelines

Matthew Henson's Life
Matthew Henson's Life timeline
Energy events
Sky's Life (:
Sky's Life (: timeline
My Life
Presidents
Ethan's Energy Timeline
Ethan's Energy Timeline
History of Evolution
African Slave Trade Timeline
African Slave Trade Timeline
Leah's European Timeline (Good, Bad, and Ugly)
Leah's European Timeline (Good, Bad, and Ugly)
Lauren Taylor
African Slave Trade: The Reasons
African Slave Trade: The Reasons timeline
Women's Rights Movement
Women's Rights Movement timeline
Timeline of British Reforms (REAL)
french revolution
french revolution timeline
John F. Kennedy By Christopher Lozano
John F. Kennedy By Christopher Lozano timeline
Reform