{"id":"history","version":"central-europe-1783-1880-v2","time":{"kind":"snapshot","epochs":[1783,1815,1880],"unit":"year"},"places":[{"id":"vienna","name":"Vienna","aliases":["Wien"],"coordinates":[16.3738,48.2082]},{"id":"prague","name":"Prague","aliases":["Praha","Prag"],"coordinates":[14.4378,50.0755]},{"id":"budapest","name":"Budapest","aliases":["Buda","Pest"],"coordinates":[19.0402,47.4979]},{"id":"milan","name":"Milan","aliases":["Milano"],"coordinates":[9.19,45.4642]}],"records":[{"id":"habsburg-1783","year":1783,"sourceNames":["Austrian Empire","Milano (Austria)"],"entityName":"Habsburg hereditary lands","datePrecision":"source snapshot year","explanation":"The dataset uses the anachronistic label Austrian Empire before its creation in 1804. This chapter corrects that name to Habsburg hereditary lands and combines its separately represented Austrian Milan polygon. The geometry remains the source's generalized 1783 snapshot; it does not map every overlapping institution of the Holy Roman Empire.","citations":["https://www.austria.org/history-2","https://www.austria.info/de-at/portraits/habsburger/","https://www.habsburger.net/en/chapter/war-over-italy"],"milestone":"Before the Austrian 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automated source-based editorial review, 2026-10-04","reviewEvidence":"Entity name compared with Austrian institutional histories; all three reference city point-in-polygon checks pass. Milan is included in the 1815 snapshot and excluded in 1880.","disputed":false,"uncertain":true,"uncertainty":"Generalized imperial footprint at three finite source years. Local frontiers and overlapping institutions are not resolved. Source labels before 1804 were corrected; boundaries were cropped and simplified, never interpolated as historical fact."},{"id":"habsburg-1815","year":1815,"sourceNames":["Austrian Empire","Lombardy"],"entityName":"Austrian Empire (selected source territories)","datePrecision":"source snapshot year","explanation":"The 1815 source snapshot follows the Napoleonic era and the Congress of Vienna. Vienna, Prague and Budapest fall within the main source geometry. The separately represented Lombardy polygon is included so the selected imperial coverage includes Milan, corroborated by the Lombardy regional archive's 1815 institutional records.","citations":["https://www.wien.gv.at/pdf/ma23/viennainfigures-2022.pdf","https://www.austria.org/history-2","https://www.lombardiabeniculturali.it/istituzioni/schede/8000359/"],"milestone":"After the Congress of 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automated source-based editorial review, 2026-10-04","reviewEvidence":"Entity name compared with Austrian institutional histories; all three reference city point-in-polygon checks pass. Milan is included in the 1815 snapshot and excluded in 1880.","disputed":false,"uncertain":true,"uncertainty":"Generalized imperial footprint at three finite source years. Local frontiers and overlapping institutions are not resolved. Source labels before 1804 were corrected; boundaries were cropped and simplified, never interpolated as historical fact."},{"id":"habsburg-1880","year":1880,"sourceNames":["Austria Hungary"],"entityName":"Austria-Hungary","datePrecision":"source snapshot year","explanation":"The 1867 Compromise established the Dual Monarchy. In this 1880 source snapshot, Vienna, Prague and Budapest lie inside the selected geometry while Milan is outside. The Habsburgs lost Lombardy in 1859. This overview does not represent internal crownland boundaries or a complete sovereignty timeline.","citations":["https://ww1.habsburger.net/en/chapters/dual-monarchy-two-states-single-empire","https://www.austria.org/history-2","https://www.habsburger.net/en/chapter/war-over-italy"],"milestone":"The Dual 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automated source-based editorial review, 2026-10-04","reviewEvidence":"Entity name compared with Austrian institutional histories; all three reference city point-in-polygon checks pass. Milan is included in the 1815 snapshot and excluded in 1880.","disputed":false,"uncertain":true,"uncertainty":"Generalized imperial footprint at three finite source years. Local frontiers and overlapping institutions are not resolved. Source labels before 1804 were corrected; boundaries were cropped and simplified, never interpolated as historical fact."}],"sources":[{"name":"André Ourednik and historical-basemaps contributors","url":"https://github.com/aourednik/historical-basemaps/tree/da7a4b735ecef70aebdc9c73e409d8a2500d50f3","license":"GPL-3.0","licenseUrl":"https://raw.githubusercontent.com/aourednik/historical-basemaps/da7a4b735ecef70aebdc9c73e409d8a2500d50f3/LICENSE","attribution":"Historical polygons by André Ourednik and historical-basemaps contributors, GPL-3.0. Cropped, topology-repaired and simplified by MapifyStats. 1783 entity name corrected. Source geometry and GPL license are included."},{"name":"Austrian Embassy — History overview","url":"https://www.austria.org/history-2"},{"name":"City of Vienna — historical timeline","url":"https://www.wien.gv.at/pdf/ma23/viennainfigures-2022.pdf"},{"name":"Schönbrunn Group — The Dual Monarchy","url":"https://ww1.habsburger.net/en/chapters/dual-monarchy-two-states-single-empire"}],"limitations":["Coverage is limited to one selected entity in Central Europe at 1783, 1815 and 1880. Outside the entity means outside reviewed coverage, not ungoverned territory.","Generalized GPL source polygons are cropped to this chapter. Their precision cannot establish parcel-level jurisdiction or contested local frontiers.","Borders crossfade only as a visual transition; no intermediate year, event date or morphing frontier is asserted.","The 1783 source label Austrian Empire is corrected to Habsburg hereditary lands, since the empire was created in 1804.","This is a source-based editorial check, not an independent historian's review. Internal crownland boundaries, local minority histories and overlapping Holy Roman institutions need further chapters."],"story":[{"position":0,"title":"One place, overlapping institutions","text":"Vienna is fixed on the map. The 1783 outline is a generalized view of Habsburg lands, not a complete map of Holy Roman institutions."},{"position":0.5,"title":"An imperial snapshot after Napoleon","text":"At the 1815 source snapshot, compare Vienna with Milan. Both sit inside this reviewed imperial footprint."},{"position":1,"title":"A different map in 1880","text":"The Dual Monarchy links Vienna, Prague and Budapest. Milan is now outside this chapter's selected entity; that is a coverage result, not a claim that Milan lacked government."}]}