Older Than deck / Buildings and landmarks
The Black Diamond
Opened
1999
The black-glass extension of the Royal Library on Copenhagen’s waterfront.
Sources and checks
Checked 2026-11-01: Researched by Codex (two independent publishers, verbatim quotes); every counted quote re-found on its page by the server check (content-verify, or content-verify-pdf for PDFs); scope and plausibility reviewed by Claude (AI build agent). Quotes are short passages from each source; for dates the quote is the year as printed, read in context.
“The Black Diamond opened in 1999”Royal Danish Library: source, retrieved 2026-10-28; quote re-found by the server check
“at its inauguration in 1999”Schmidt Hammer Lassen Architects: source, retrieved 2026-10-28; quote re-found by the server check
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