2021 C.E.

U.S. Capitol building

U.S. Bill of Rights ratified, become first 10 amendments of the U.S. Constitution

The Bill of Rights amendments add specific guarantees of personal freedoms and rights, clear limitations on the government’s power in judicial and other proceedings, and explicit declarations that all powers not specifically granted to the federal government by the Constitution are reserved to the states or the people.

U.S. Bill of Rights ratified, become first 10 amendments of the U.S. Constitution Read more

Gottfried Wilhelm Leibniz portrait

German mathematician Gottfried Wilhelm Leibniz demonstrates integral calculus for the first time

Leibniz is credited, along with Sir Isaac Newton, with the discovery of calculus (differential and integral calculus). According to Leibniz’s notebooks, a critical breakthrough occurred on 11 November 1675, when he employed integral calculus for the first time to find the area under the graph of a function y = f(x).

German mathematician Gottfried Wilhelm Leibniz demonstrates integral calculus for the first time Read more