The Thames Barrier is a retractable barrier system built to protect the floodplain of most of Greater London from exceptionally high tides and storm surges moving up from the North Sea. It has been operational since 1982. When needed, it is closed (raised) during high tide; at low tide, it can be opened to restore the river's flow towards the sea. Built about 2 miles east of the Isle of Dogs, its northern bank is in Silvertown in the London Borough of Newham and its southern bank is in the New Charlton area of the Royal Borough of Greenwich.
The Thames Barrier is officially opened, preventing the floodplain of most of Greater London from being flooded except under extreme circumstances.
On May 8, in the year 1984, The Thames Barrier is officially opened, preventing the floodplain of most of Greater London from being flooded except under extreme circumstances. This event is recorded as a Historical Events event in the history of May 8, one of 390 recorded events on this date across all of history.
Key Facts
- This event took place on May 8, 1984 (AD era).
- It is categorised as a Historical Events event in recorded history.
- Referenced in 3 Wikipedia articles.
- The event is associated with a specific geographical location (see map below).
- Wikipedia source last updated on 29 November 2025.
On This Date in History 390
This article draws on content from Wikipedia, available under CC BY-SA 4.0.
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