13 January 2021

• 23:2423:24, 13 January 2021 diff hist −24 2007 AIME II Problems →Problem 9
• 23:2323:23, 13 January 2021 diff hist −762 2007 AIME II Problems →Problem 10

22 December 2020

• 00:4100:41, 22 December 2020 diff hist −48 AMC historical results →AMC 8

1 November 2020

• 18:2918:29, 1 November 2020 diff hist −187 Math is Cool →See Also Tag: Blanking
• 18:2918:29, 1 November 2020 diff hist −809 Math is Cool →Scoring
• 18:2918:29, 1 November 2020 diff hist −363 Math is Cool →About
• 18:2218:22, 1 November 2020 diff hist −102 Casework →Videos

19 September 2020

• 00:3100:31, 19 September 2020 diff hist 0 1993 AJHSME Problems →Problem 1
• 00:3100:31, 19 September 2020 diff hist 0 m 1993 AJHSME Problems →Problem 1