User contributions
- 06:07, 20 October 2021 (diff | hist) . . (+19) . . m IMO Problems and Solutions (2019 edited England to United Kingdom (to be consistent with 2002). Also introduced definite articles to 1979, 2002 and 2019.)
- 07:24, 15 August 2016 (diff | hist) . . (+19) . . m IMO Problems and Solutions (→2016)