Ridder is a mining city in East Kazakhstan Region, in the southwestern Altai Mountains along the Ulba River. It grew from a deposit of gold, silver and other metals found in 1786 by the officer Philip Ridder, after whom it is named, and became a major Soviet-era producer of lead and zinc; during the Second World War it supplied about half of the Soviet Union's high-quality lead. The city was called Leninogorsk from 1941 to 2002, when it reverted to its original name.
Facts
Founding Year Sources
1. Wikidata: Ridder
- Wikidata Q986100, class allow-list match (w-wdresolver-0926)
Wikidata Q986100 P571, class allow-list match, knownqid pass (w-bbfill-geography5-0926)
P571 value year 1786
- In Group: Cities of Central Asia (World), Wikipedia infobox, country field
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