Veterans Day History. So now that you know when Veterans Day 2015 will be celebrated, on to a bit of history. The day â November 11 â marks the end of World War I, and was originally known in the United States as Armistice Day. This changed in 1954, when it became officially known as Veterans Day.
Malthius proposed a systematic theory of population. He believed that population growth is potentially exponential while the growth of the food supply is arithmetical at best. Linnaeus is the father of Taxonomy.he classified, named and ranked the organisms. So, Darwin proposed the idea of studying humans as groups rather than as individuals. (B) Report.
On this day in 1953, Cambridge University scientists James D. Watson and Frances H.C. Crick announce that they have determined the double-helix structure of DNA, the molecule containing human genes.hough DNAâshort for deoxyribonucleic acidâwas discovered in 1869, its crucial role in determining genetic inheritance wasnât demonstrated until 1943. In the early 1950s, Watson and Crick were only two of many scientists working on figuring out the structure of DNA.