Loading…
World Metrology Day
world day to celebrate the International System of Units on the anniversary of the signing of the Metre Convention
Details
- Instance of
- awareness day, world day
- Start time
- 2000
- Main subject
- metrology, Metre Convention
- commemorates
- metrology
- day in year for periodic occurrence
- May 20
- different from
- World Meteorological Day
Nothing in the MetaHistoryBook collection references this item yet.