When did the following event happen?

The cardboard box is invented as a means of low-cost and recyclable packaging.

Select a space in the timeline below.

Beginning of Time

1791

Proposals for the metric system are accepted by the French revolutionary assembly.

Present Day

Note: BCE means that the date is the number of years before the current era (CE/AD).
c. is short for 'circa' and indicates that the date is considered approximate.

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