Orbit

Orbit

On the 10th of December, 1684, Edmund Halley read Isaac Newton’s paper De motu corporum in gyrum (which I will loosely translate as On the motion of bodies in orbit) to the Royal Society. This short Latin treatise, only about nine pages long, served as the immediate...
Traffic Lights

Traffic Lights

I have posted about a number of inventors and scientists, such as Edison and Einstein. Now it’s time to give policemen their due. On the 9th of December, 1868, the first traffic lights were installed outside the Palace of Westminster in London. They were modelled on...
Actress

Actress

I know that these days women actors prefer to be known as actors rather than actresses. For instance Cate Blanchett said “I have always referred to myself as an actor. I am of the generation where the word actress was used almost always in a pejorative sense. So I...
Pearl Harbor

Pearl Harbor

It grieves me to spell harbour incorrectly, but it is American, and that’s the way they spell it. The 7th of December, 1941, was the day the Imperial Japanese Navy attacked Pearl Harbor, a date which will live in infamy, as Franklin D. Roosevelt said. It was also a...
Finland

Finland

On the 6th of December, 1917, Finland declared independence from the Russian Empire. Finland’s relationship with Russia has been shaped by centuries of shifting power dynamics, cultural influences, and political upheavals, culminating in its independence in 1917. The...