User contributions
- 09:18, 4 April 2019 (diff | hist) . . (+19) . . 1168: tar
- 19:50, 22 March 2019 (diff | hist) . . (+234) . . 2127: Panama Canal (→Trivia)
- 09:35, 12 March 2019 (diff | hist) . . (+55) . . 2122: Size Venn Diagram (Added small world network reference)