Wikipedia's first sentence called it “area of york near the confluence of the rivers ouse and the foss”. Today it says “fortified complex in the city of york”.
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 2005 one. Red dashes: removed from Wikipedia since.Pale dots: rewritten; the numbered note shows what it says now.Red text: written in or rewritten since the previous snapshot.1 tap a number or a side note to jump between them
The opening as it read in 2005
York Castle is an area of York near the confluence of the Rivers Ouse and the Foss . The Castle was later dismantled, but the site is of Clifford's Tower, a tower built atop a Norman bailey , the courts, Yorkshire museum and former prisons.1
This is Wikipedia's own text, saved in our repository. Their copy of it is revision 16212318.
The opening as it stood in 2010 2 passages from the previous snapshot no longer appear
Clifford's Tower, keep of York Castle, on its artificial mound.York Castle (of which Clifford's Tower is a part) is a fortification in the city of York , England .The principal remains of the 13th century - 14th century castle are the keep and some of the curtain wall .From its start in 1068 through to the English Civil War , the castle had an eventful history.
Red text was written in or rewritten since the previous snapshot. Their copy is revision 361735981.
The opening as it stood in 2015 4 passages from the previous snapshot no longer appear
York Castle in the city of York , England, is a fortified complex comprising, over the last nine centuries, a sequence of castles, prisons, law courts and other buildings on the south side of the River Foss .The now-ruinous keep of the medieval Norman castle is commonly referred to as Clifford's Tower .Built originally on the orders of William I to dominate the former Viking city of York, the castle suffered a tumultuous early history before developing into a major fortification with extensive water defences.After a major explosion in 1684 rendered the remaining military defences uninhabitable, York Castle continued to be used as a jail and prison until 1929.The first motte and bailey castle on the site was built in 1068 following the Norman conquest of York.After the destruction of the castle by rebels and a Viking army in 1069, York Castle was rebuilt and reinforced with extensive water defences, including a moat and an artificial lake.York Castle formed an important royal fortification in the north of England.In 1190, 150 local Jews were killed in a pogrom in the castle keep.Henry III rebuilt the castle in stone in the middle of the 13th century, creating a keep with a unique quatrefoil design, supported by an outer bailey wall and a substantial gatehouse .During the Scottish wars between 1298 and 1338, York Castle was frequently used as the centre of royal administration across England, as well as an important military base of operations.York Castle fell into disrepair by the 15th and 16th centuries, becoming used increasingly as a jail for both local felons and political prisoners.By the time of Elizabeth I the castle was estimated to have lost all of its military value but was maintained as a centre of royal authority in York.The outbreak of the English Civil War in 1642 saw York Castle being repaired and refortified, playing a part in the Royalist defence of York in 1644 against Parliamentary forces.York Castle continued to be garrisoned until 1684, when an explosion destroyed the interior of Clifford's Tower.The castle bailey was redeveloped in a neoclassical style in the 18th century as a centre for county administration in Yorkshire, and was used as a jail and debtors' prison .Prison reform in the 19th century led to the creation of a new prison built in a Tudor Gothic style on the castle site in 1825; used first as a county and then as a military prison , this facility was demolished in 1935.By the 20th century the ruin of Clifford's Tower had become a well-known tourist destination and national monument; today the site is owned by English Heritage and open to the public.The other remaining buildings serve as the York Castle Museum and the Crown Court .
Red text was written in or rewritten since the previous snapshot. Their copy is revision 667243799.
The opening as it stood in 2020
Castle in York, England For the Castle class corvette , see HMS York Castle (K537) .York Castle is a fortified complex in the city of York , England.It has comprised a sequence of castles, prisons, law courts and other buildings, which were built over the last nine centuries on the south side of the River Foss . The now-ruined keep of the medieval Norman castle is commonly referred to as Clifford's Tower . Built originally on the orders of William I to dominate the former Viking city of Jórvík , the castle suffered a tumultuous early history before developing into a major fortification with extensive water defences. After a major explosion in 1684 rendered the remaining military defences uninhabitable, York Castle continued to be used as a jail and prison until 1929. The first motte and bailey castle on the site was built in 1068 following the Norman conquest of York. After the destruction of the castle by rebels and a Viking army in 1069, York Castle was rebuilt and reinforced with extensive water defences, including a moat and an artificial lake. York Castle formed an important royal fortification in the north of England. In 1190, 150 local Jews were killed in a pogrom in the castle keep; most of them committed suicide in order not to fall into the hands of the mob. Henry III rebuilt the castle in stone in the middle of the 13th century, creating a keep with a unique quatrefoil design, supported by an outer bailey wall and a substantial gatehouse . During the Scottish wars between 1298 and 1338, York Castle was frequently used as the centre of royal administration across England, as well as an important military base of operations. York Castle fell into disrepair by the 15th and 16th centuries, becoming used increasingly as a jail for both local felons and political prisoners. By the time of Elizabeth I the castle was estimated to have lost all of its military value but was maintained as a centre of royal authority in York. The outbreak of the English Civil War in 1642 saw York Castle being repaired and refortified, playing a part in the Royalist defence of York in 1644 against Parliamentary forces. York Castle continued to be garrisoned until 1684, when an explosion destroyed the interior of Clifford's Tower. The castle bailey was redeveloped in a neoclassical style in the 18th century as a centre for county administration in Yorkshire, and was used as a jail and debtors' prison . Prison reform in the 19th century led to the creation of a new prison built in a Tudor Gothic style on the castle site in 1825; used first as a county and then as a military prison , this facility was demolished in 1935. By the 20th century the ruin of Clifford's Tower had become a well-known tourist destination and national monument; today the site is owned by English Heritage and open to the public. The other remaining buildings serve as the York Castle Museum and the Crown Court .
Red text was written in or rewritten since the previous snapshot. Their copy is revision 949606819.
The opening as it stood on October 6, 2023
Grade I listed monument in York, England For the Castle-class corvette , see HMS York Castle (K537) . York Castle is a fortified complex in the city of York , England. It consists of a sequence of castles, prisons, law courts and other buildings, which were built over the last nine centuries on the south side of the River Foss . The now ruined keep of the medieval Norman castle is commonly referred to as Clifford's Tower . Built originally on the orders of William I to dominate the former Viking city of Jórvík , the castle suffered a tumultuous early history before developing into a major fortification with extensive water defences. After a major explosion in 1684 rendered the remaining military defences uninhabitable, York Castle continued to be used as a gaol and prison until 1929. The first motte and bailey castle on the site was built in 1068 following the Norman conquest of York. After the destruction of the castle by rebels and a Viking army in 1069, York Castle was rebuilt and reinforced with extensive water defences, including a moat and an artificial lake. York Castle formed an important royal fortification in the north of England. In 1190, 150 local Jews were killed in a pogrom in the timber castle keep; most of them died by suicide in order not to fall into the hands of the mob. Henry III rebuilt the castle in stone in the middle of the 13th century, creating a keep with a unique quatrefoil design, supported by an outer bailey wall and a substantial gatehouse . During the Scottish wars between 1298 and 1338, York Castle was frequently used as the centre of royal administration across England, as well as an important military base of operations. York Castle fell into disrepair by the 15th and 16th centuries, becoming used increasingly as a gaol for both local felons and political prisoners. By the time of Elizabeth I the castle was estimated to have lost all of its military value but was maintained as a centre of royal authority in York. The outbreak of the English Civil War in 1642 saw York Castle being repaired and refortified, playing a part in the Royalist defence of York in 1644 against Parliamentary forces. York Castle continued to be garrisoned until 1684, when an explosion destroyed the interior of Clifford's Tower. The castle bailey was redeveloped in a neoclassical style in the 18th century as a centre for county administration in Yorkshire , and was used as a gaol and debtors' prison . Prison reform in the 19th century led to the creation of a new prison built in a Tudor Gothic style on the castle site in 1825; used first as a county and then as a military prison , this facility was demolished in 1935. By the 20th century the ruin of Clifford's Tower had become a well-known tourist destination and national monument; today the site is owned by English Heritage and open to the public. The other remaining buildings serve as the York Castle Museum and the Crown Court .
Red text was written in or rewritten since the previous snapshot. Their copy is revision 1165202939.
The opening as it stood in 2025
Grade I listed monument in York, England For the Castle-class corvette , see HMS York Castle (K537) . York Castle is a fortified complex in the city of York , England. It consists of a sequence of castles, prisons, law courts and other buildings, which were built over the last nine centuries on the north-west side of the River Foss . The now ruined keep of the medieval Norman castle is commonly referred to as Clifford's Tower . Built originally on the orders of William I to dominate the former Viking city of Jórvík , the castle suffered a tumultuous early history before developing into a major fortification with extensive water defences. After a major explosion in 1684 rendered the remaining military defences uninhabitable, York Castle continued to be used as a gaol and prison until 1929. The first motte and bailey castle on the site was built in 1068 following the Norman conquest of York. After the destruction of the castle by rebels and a Viking army in 1069, York Castle was rebuilt and reinforced with extensive water defences, including a moat and an artificial lake. York Castle formed an important royal fortification in the north of England. In 1190, 150 local Jews were murdered in a pogrom in the timber castle keep; most of them committed suicide in order not to fall into the hands of the mob. Henry III rebuilt the castle in stone in the middle of the 13th century, creating a keep with a unique quatrefoil design, supported by an outer bailey wall and a substantial gatehouse . During the Scottish wars between 1298 and 1338, York Castle was frequently used as the centre of royal administration across England, as well as an important military base of operations. York Castle fell into disrepair by the 15th and 16th centuries, becoming used increasingly as a gaol for both local felons and political prisoners. By the time of Elizabeth I the castle was estimated to have lost all of its military value but was maintained as a centre of royal authority in York. The outbreak of the English Civil War in 1642 saw York Castle being repaired and refortified, playing a part in the Royalist defence of York in 1644 against Parliamentary forces. York Castle continued to be garrisoned until 1684, when an explosion destroyed the interior of Clifford's Tower. The castle bailey was redeveloped in a neoclassical style in the 18th century as a centre for county administration in Yorkshire , and was used as a gaol and debtors' prison . Prison reform in the 19th century led to the creation of a new prison built in a Tudor Gothic style on the castle site in 1825; used first as a county and then as a military prison , this facility was demolished in 1935. By the 20th century the ruin of Clifford's Tower had become a well-known tourist destination and national monument; today the site is owned by English Heritage and open to the public. The other remaining buildings serve as the York Castle Museum and the Crown Court .
Red text was written in or rewritten since the previous snapshot. Their copy is revision 1289769867. This is our newest snapshot; the live article may have moved again since.
Today
Wikipedia's first sentence called it “area of york near the confluence of the rivers ouse and the foss”. Today it says “fortified complex in the city of york”. Read the current article and compare.
2005
2010
2015
2020
Oct '23
2025
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 2005, and today's defining sentence is their current revision.
Then
area of york near the confluence of the rivers ouse and the foss
Now
fortified complex in the city of york
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.