The French Third Republic and the United Kingdom of Great Britain and Ireland sign the Entente cordiale. The Entente Cordiale was a series of agreements…

U.S. President Barack Obama and Russian President Dmitry Medvedev sign the New START Treaty The New START Treaty (Strategic Arms Reduction Treaty) is a nuclear…

The city of Oulu, Finland, is founded by Charles IX of Sweden Charles IX of Sweden, also known as Karl IX in Swedish, was born…

Dutch physicist Heike Kamerlingh Onnes discovers superconductivity. Superconductivity is a phenomenon that occurs when certain materials are cooled to extremely low temperatures, usually near absolute…

Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.

Harvard University votes to establish the Harvard Business School.

Otto and Elise Hampel are executed in Berlin for their anti-Nazi activities. [rdp-wiki-embed url=’https://en.wikipedia.org/wiki/Otto_and_Elise_Hampel’]

A Gemini 1 test flight is conducted. Project Gemini was NASA’s second human spaceflight program. Conducted between projects Mercury and Apollo, Gemini started in 1961…

A test flight of Gemini 1 is conducted. Project Gemini was NASA’s second human spaceflight program. Conducted between projects Mercury and Apollo, Gemini started in…