Updated timelines

What Happened When
HCI conferences timeline
Duitsland van 1870 tot 1945
History of Media
Para GBI
Union Church
Vida y muerte de Maria Antonieta
Theories about our solar system
Ludwig Leichhardt
Australian History - 1800-1901
European
Language Police
Unit 6 Timeline ( 13 - 15 )
HISTORIA DE LA SEXUALIDAD
Norman Conquest- [Alejandro Perez]
Conquista española