9 May 2017
- 01:1501:15, 9 May 2017 diff hist +251 HCOE bike power classroom →Tentative timeline
- 00:3700:37, 9 May 2017 diff hist +1 HCOE bike power classroom No edit summary
8 May 2017
- 23:5523:55, 8 May 2017 diff hist −32 HCOE bike power classroom →Problem statement
- 23:3423:34, 8 May 2017 diff hist +117 HCOE bike power classroom →Background