History of Measurement

Main

First

1670 - 1790

The meter is invented as 1/10,000,000 of the distance from the equator to the North Pole

Second

1790 - 1795

France was the first country to adopt the metric system

Third

1795 - 1866

The Metric Act of 1866 made it legal to use Metric Measurements in the United States

Fourth

1866 - 1875

An international agreement known as the meter convention set up well defined metric standards for length and mass and established permanent mechanisms to recommend and adopt further refinements in the metric system.

Fifth

1875 - 1893

U.S. Customary Measurements are officially defined in Metric terms by the Mendanhall Order.

Sixth

1893 - 1974

A United States law that encourages schools to teach the Metric system passed.

Seventh

1974 - 1975

The Metric Conversion Act was passed to plan for and encourage the change the Metric in the U.S