Wikipedia's first sentence called it “considered stylistically the most compact and unified of all cairo monuments”. Today it says “monumental mosque and madrasa located in salah al-din square in the historic district of cairo”.
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Machine-checked against the full current article on 2026-08-03.
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The opening as it read in 2005
The Sultan Hassan Mosque and Madrasa (School) is considered stylistically the most compact and unified of all Cairo monuments.1The building was constructed for Sultan Hassan bin Mohammad bin Qala'oun in 1256 AD as a mosque and religious school for all sects. It was designed so that each of the four main Sunni sects (orthodox Muslim, or Sunni rites, consisting of Shafite, Malikite, Hanefte and Hanbalite) has its own school while sharing the mosque.2The cornices, the entrance, and the monumental staircase are particularly noteworthy.3
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The opening as it stood in 2010 2 passages from the previous snapshot no longer appear
Sultan Hassan Mosque Look up Mosque in Wiktionary, the free dictionary. The Sultan Hassan Mosque is considered stylistically the most compact and unified of all Cairo monuments. It is one of the masterpieces of Mamluk architecture.The building was commissioned by Sultan Hassan bin Al-Nasir Muhammad bin Qalawun in 1356 AD as a mosque and religious school for all four juristic branches of Sunni Islam.It was designed so that each of the four schools of thought - Shafi , Maliki , Hanafi and Hanbali - has its own area while sharing the mosque. .Construction started in 1356 AD and ended 7 years later in 1363 AD.Building materials used were harvested from the casing stones of the Giza Necropolis .One of the minarets collapsed during construction killing 300 people.The state was able to fund the massive structure through the properties that were left behind by the victims of the Black Death .The Sultan was assassinated before the mosque was completed and his body was never recovered.The magnificent burial chamber that was intended for him holds his two sons instead.The facade is 76 meters long and 36 meters high.The cornices, the entrance portal, the burial chamber, and the monumental staircase are particularly noteworthy.Verses from the Quran in elegant Kufic and Thuluth scripts adorn the inner walls.The mosque is featured on the Egyptian one-hundred pound note. an interior view of the mosque's Iwans Sultan Hassan Mosque (left) along with the later El Rifai Mosque (right) and two smaller Ottoman mosques (foreground) - Cairo Williams, Caroline (2002).Islamic Monuments in Cairo .
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The opening as it stood in 2015 16 passages from the previous snapshot no longer appear
The Mosque-Madrassa of Sultan Hassan is a massive Mamluk era mosque and madrassa located near the Citadel in Cairo .Its construction began 757 AH /1356 CE with work ending three years later "without even a single day of idleness".At the time of construction the mosque was considered remarkable for its fantastic size and innovative architectural components.Commissioned by a sultan of a short and relatively unimpressive profile, al-Maqrizi noted that within the mosque were several "wonders of construction".The mosque was, for example, designed to include schools for all four of the Sunni schools of thought: Shafi'i , Maliki , Hanafi and Hanbali .
Red text was written in or rewritten since the previous snapshot. Their copy is revision 666041237.
The opening as it stood in 2020 3 passages from the previous snapshot no longer appear
The Mosque-Madrassa of Sultan Hassan ( ) is a monumental mosque and madrassa located in the historic district of Cairo , Egypt .It was built between 1356 and 1363 during the Bahri Mamluk period, commissioned by Sultan an-Nasir Hasan .The mosque was considered remarkable for its massive size and innovative architectural components, and is still considered one of the most impressive historic monuments in Cairo today.The Mosques of Egypt .
Red text was written in or rewritten since the previous snapshot. Their copy is revision 952817720.
The opening as it stood on October 6, 2023
Mosque in Cairo, Egypt The Mosque-Madrasa of Sultan Hasan ( ) is a monumental mosque and madrasa located in Salah al-Din Square in the historic district of Cairo , Egypt . It was built between 1356 and 1363 during the Bahri Mamluk period, commissioned by Sultan an-Nasir Hasan . The mosque was considered remarkable for its massive size and innovative architectural components, and is still considered one of the most impressive historic monuments in Cairo today. The Mosques of Egypt .
Red text was written in or rewritten since the previous snapshot. Their copy is revision 1165974281.
The opening as it stood in 2025
Mosque in Cairo, Egypt The Mosque-Madrasa of Sultan Hasan ( Arabic : مسجد ومدرسة السلطان حسن ) is a monumental mosque and madrasa located in Salah al-Din Square in the historic district of Cairo , Egypt . It was built between 1356 and 1363 during the Bahri Mamluk period, commissioned by Sultan an-Nasir Hasan . The mosque was considered remarkable for its massive size and innovative architectural components, and is still considered one of the most impressive historic monuments in Cairo today. The Mosques of Egypt .
Red text was written in or rewritten since the previous snapshot. Their copy is revision 1295166191. This is our newest snapshot; the live article may have moved again since.
Today
Wikipedia's first sentence called it “considered stylistically the most compact and unified of all cairo monuments”. Today it says “monumental mosque and madrasa located in salah al-din square in the historic district of cairo”. Read the current article and compare.
2005
2010
2015
2020
Oct '23
2025
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What Wikipedia says this is
Every article opens by defining its subject. This one was redefined since 2005, and today's defining sentence is their current revision.
Then
considered stylistically the most compact and unified of all cairo monuments
Now
monumental mosque and madrasa located in salah al-din square in the historic district of cairo
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.