User contributions
- 06:16, 30 March 2024 (diff | hist) . . (0) . . m 2913: Periodic Table Regions ({lanthan,actin}ides → {lanthan,actin}oids)
- 16:25, 20 December 2017 (diff | hist) . . (+396) . . m 1930: Calendar Facts (→Table: Added Franklin reference)