The General Conference on Weights and Measures is the supreme authority of the International Bureau of Weights and Measures (BIPM), the intergovernmental organization established in 1875 under the terms of the Metre Convention through which member states act together on matters related to measurement science and measurement standards. The CGPM is made up of delegates of the governments of the member states and observers from the Associates of the CGPM. It elects the International Committee for Weights and Measures as the supervisory board of the BIPM to direct and supervise it.
The General Conference on Weights and Measures (CGPM) defines the length of a metre.
On September 28, in the year 1889, The General Conference on Weights and Measures (CGPM) defines the length of a metre. This event is recorded as a Historical Events event in the history of September 28, one of 480 recorded events on this date across all of history.
Key Facts
- This event took place on September 28, 1889 (AD era).
- It is categorised as a Historical Events event in recorded history.
- Referenced in 2 Wikipedia articles.
- Wikipedia source last updated on 31 July 2026.
On This Date in History 480
This article draws on content from Wikipedia, available under CC BY-SA 4.0.
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