Case file
2020 Democratic Republic of the Congo attacks
A wave of attacks by the Allied Democratic Forces, a radical Islamist rebel group, and CODECO left at least 1,316 people dead in eastern Congo in 2020. The 2020 opening was a single line: a series of massacres took place in eastern Democratic Republic of the Congo in late May 2020. Today's opening calls the same events "a series of attacks"; the word massacre survives 13 times in the body but not in the opening's description of what happened. A reader today learns that 1,316 people died in a series of attacks and not that those events were once called a series of massacres.
Read line by line and written up by hand.
Machine-checked against the full current article on 2026-08-01. “massacre” appeared 1 times in this article's opening at its peak. Today the opening has none; the body has 13.
We saved snapshots of this article over twenty years; you are reading the 2020 one. Red dashes: removed from Wikipedia since.
Pale dots: rewritten; the numbered note shows what it says now.
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The opening as it read in 2020
A series of massacres took place in eastern Democratic Republic of the Congo in late May 2020.1 The attacks were carried out by the Allied Democratic Forces , a radical Islamist rebel group.2
This is Wikipedia's own text, saved in our repository. Their copy of it is revision 961028142.
Today
“massacre” appeared 1 times in this article's opening at its peak. Today the opening has none; the body has 13. Read the current article and compare.
| 2020 | Oct '23 | 2025 | |
|---|---|---|---|
| massacre | 1 | 0 | 0 |
| islamist | 1 | 1 | 1 |
Struck red text is no longer in the article; dotted amber text was rewritten. Every revision id links to Wikipedia's copy; the text shown is our own saved copy. Data: /data. Wikipedia text is CC BY-SA; quoted for the record; not affiliated with Wikipedia.