Updated timelines

Neurotyka
hixaga
Universidad Diego Portales
Universidad Diego Portales timeline
Christmas Carol
Christmas Carol timeline
Famous Firsts in Aviation
Racism
Racism timeline
(1) Inventions During the Civil War
(9) Inventions After the Civil War
Nurses
microscope Imporvements
microscope Imporvements timeline
(7) Inventions after the Civil War
The Life of Charles Dickens by Mr Williams
The Life of Charles Dickens by Mr Williams timeline
the speckled band
(2) Inventions After the Civil War
Código Morse Lucero
March On Washington