by qdmhistory | Dec 12, 2021 | Popular
Once upon a time, the Romans used a 355-day calendar. As a result, they had to insert an intercalary month between February and March from time to time. The problem was that this insertion was a political process. After all, a longer year meant a longer term for the...
by qdmhistory | Dec 11, 2021 | Popular
King Louis XVI of France might have had good intentions. Unfortunately, he proved incapable of ruling his deeply-indebted country, as shown by his failures in making his much-needed reforms stick. Eventually, Louis XVI was forced to call the Estates-General of 1789,...
by qdmhistory | Dec 10, 2021 | Popular
Units of measurement have been used since time immemorial. However, there were long-standing issues. For starters, it was common for different regions to use different units of measurement, which complicated trade as well as other interactions between them. Even with...
by qdmhistory | Dec 9, 2021 | Popular
On December 9, 1793, American Minerva, believed to be America’s first daily newspaper, was printed by George Bunce & Co. at 37 Wall Street in New York City. This was near the Tontine Coffee House. On this first day of publication, almost the entire front...
by qdmhistory | Dec 7, 2021 | Popular
Leo Baekeland immigrated to the United States from Europe and began his career as a photographer in New York City. He was also a talented scientist and inventor who invented the first commercially successful photographic paper, Velox, using his invention of...
by qdmhistory | Dec 6, 2021 | Popular
The most substantial scientific evidence of water flowing on the surface of Mars was obtained from pictures of Martian gullies – NASA’s Mars global surveyor. NASA has been deriving images from the planet since 1999. After almost ten years of discovering Mars...
