Scroll to explore events active on this date.
Along with October, May is one of the most densely packed months of the year. It's before the summer humidity and the last whole month of the school year. The weather is warming in t...
The solstice on the 20th marks the onset of summer (Northern Hemisphere) or winter (Southern Hemisphere). Many people, particularly in Europe, North America and Asia, will be embarking o...
Spring has sprung in the north, and the first hints of Autumn are on the horizon in the south. April is the month spring (or fall) gets underway, and it is filled with religious celebrations, including the Mu...
Periodic Table Day marks the anniversary of publishing the first table of elements by English chemist John Newlands on February 7, 1863. His is distinctive because he was the first to categorize elements based on atomic mass. Newlands' however, was different from what we're familiar with today. Russian Dmitri Mendeleev created the format in 1869. He is the man who organized the tables in columns and rows based on their atomic weight and the occasions of repetition of base elements.
Like most science, the periodic table is an international affair. To reach the point of Newlands and Mendeleev, contributions from the French (1789, 1857, 1862) and Germans (1829, 1843) would add to the final product of an Englishman and a Russian. David T Steineker first observed periodic Table Day.
Currently, this event does not have supporting videos.
Currently, this event does not have supporting documents.
Currently, this event does not have supporting images.