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The catalogue
4 places to sift through. Narrow by kind, country, period or how firmly each one is established — contested and pseudoarchaeological claims are labelled here, never hidden.
🇴🇲 Oman · Hydraulic works
Sasanid 600 CE to Ya'rubi 1680 CE Rustaq Batinah · Omani Rustaq Batinah (Sasanid to Ya'rubi Imamate)
Rustaq West Branch falaj 6.0 km (4.2 daudi +1.8 ghailli) 56 shafts 18 m mother 14 L/s with birka 12 m: Ya'rubi 1680 on Sasanid 600.
🇸🇪 Sweden · Ancient city
Viking Age Scandinavian 750–975 (8th–10th c) · Scandinavian Viking Age (Svear) — Svear–Gotlandic emporium
Birka (Björkö) — Scandinavian Viking Age emporium (c.750–975 CE) on Björkö island in Lake Mälaren, 30 km west Stockholm, Sweden's oldest town and UNESCO 555 (with Hovgården Adelsö estate).
🇸🇪 Sweden · Ancient city
Viking Age (750–975 CE) · Scandinavian Viking Age
Viking Age emporium on Björkö island in Lake Mälaren, founded c.750 CE and abandoned c.975, with fortified town area (Borg), harbour, cemeteries of over 3,000 graves and famous chamber grave Bj 581.
🇸🇪 Sweden · Ancient city
Vendel Period to Middle Ages (c.600–1279 CE) · Scandinavian Viking Age to Medieval
Royal estate on Adelsö opposite Birka, with thing mound (Skansberget), harbour, cemetery and ruins of Magnus Ladulås' brick palace Alsnö Hus (1279).
