Dutch Delta Works belongs to the Common Era — dated here to c. 1997 CE at Netherlands. Dates mark a scholarly centre of gravity (dedication, completion, or iconic phase), not a single foundation day.
The American Society of Civil Engineers called them among the Seven Wonders of the Modern World — storm-surge barriers protecting a nation below sea level.
How it amazes the brain
Oosterscheldekering and related dams: gates that stay open for ecology, close for storms.
Why it counts as a wonder
It never needed a contest ballot to scramble the brain: scale, craft, or sheer improbability is enough.
Living with water as a national design religion.
On dating
CE means years after the traditional birth of Christ. A monument listed as c. 1997 CE may have been founded earlier, rebuilt later, or become famous only in one phase. Engineering wonders (dams, tunnels, orbiting labs) are dated to opening or assembly.
This is story 98 of 100 in The Trend Ledger’s illustrated desk on world wonders raised after the birth of Christ — the companions to our BCE series.