Shoreshthe drift report · all case files
Case file

Battle of the Masts

Wikipedia's first sentence called it “crucial naval battle fought in 655 between the muslim arabs”. Today it says “naval battle fought in 655 between the rashidun caliphate under the command of abu al-a'war and the byzantine e”. The one-line description Wikipedia serves to search engines and AI systems read “654 naval battle of the Arab–Byzantine wars”. It now reads “655 naval battle of the Arab–Byzantine wars”.
Measured, not asserted. Every count, date and revision on this page was taken from Wikipedia's own history and checked against the live article. The words quoted are theirs.
Machine-checked against the full current article on 2026-08-03.
We saved snapshots of this article over twenty years; you are reading the October 6, 2023 one. Red dashes: removed from Wikipedia since. Pale dots: rewritten; the numbered note shows what it says now. 1 tap a number or a side note to jump between them
The opening as it read in October 6, 2023

655 naval battle of the Arab–Byzantine wars Belligerents Rashidun Caliphate Byzantine Empire Commanders and leaders Muawiyah I Abdallah ibn Sa'd Abu al-A'war Busr ibn Abi Artat Constans II Strength 200 ships 500 ships Casualties and losses Light Almost all The Battle of the Masts ( ) or Battle of Phoenix was a crucial naval battle fought in 655 (A.H. 34) between the Muslim Arabs led by Abdallah ibn Sa'd and the Byzantine fleet under the personal command of Emperor Constans II .1 The battle was part of the earliest campaign by Muawiyah to reach Constantinople and is considered to be "the first decisive conflict of Islam on the deep". The History of al-Ṭabarī, Volume XV: The Crisis of the Early Caliphate: The Reign of ʿUthmān, A.D. 644–656/A.H. 24–35 .2

This is Wikipedia's own text, saved in our repository. Their copy of it is revision 1173520412.
Today
Wikipedia's first sentence called it “crucial naval battle fought in 655 between the muslim arabs”. Today it says “naval battle fought in 655 between the rashidun caliphate under the command of abu al-a'war and the byzantine e”. The one-line description Wikipedia serves to search engines and AI systems read “654 naval battle of the Arab–Byzantine wars”. It now reads “655 naval battle of the Arab–Byzantine wars”. Read the current article and compare.
201020152020Oct '232025
Counts in the opening at each snapshot. Green: the word gained ground. Red: it was cut. Grey: no change.

What Wikipedia says this is

Every article opens by defining its subject. This one was redefined since 2010, and today's defining sentence is their current revision.

Then

crucial naval battle fought in 655 between the muslim arabs

Now

naval battle fought in 655 between the rashidun caliphate under the command of abu al-a'war and the byzantine e

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.

← back to the drift report