Knowledge Zone#OnThisDay On March 20, 1916, Albert #Einstein submitted to the German scientific journal Annalen der Physik the final version of an article on "General Theory of #Relativity."
Today is International Day of #Happiness and World #SparrowDay.
#OnThisDay On March 20, 1916, Albert #Einstein submitted to the German scientific journal Annalen der Physik the final version of an article on "General Theory of #Relativity."
Today is International Day of #Happiness and World #SparrowDay.