AugustO
→In technology, the Industrial Revolution began using iron and steel as basic resources, and developed energy sources such as electricity, oil and the steam engine.: new section
07:09
+502
JosephMac
→Christianity in India: new section
00:37
+295
Corry
→Malaria: new section
14:21
+928
WillB
→Time Line
19:34
+305
ClementB
11:03
+122
→Time Line: new section
15:10
+846
ArthurA
no edit summary
15:04
+1,213
RobertWDP
→Preliminary corrections: new section
14:42
+632
RobSmith
another source
20:52
-5
+197
some insights
19:36
+6
Some thoughts
19:31
+1,838