The Governor shall issue annually his Proclamation designating and setting apart March fourteenth as Charter Day and calling upon the people of the Commonwealth, the public schools and other educational institutions and patriotic, religious, historical and veterans' organizations to observe the anniversary of the execution of the Royal Charter by King Charles II on the fourteenth day of March, one thousand six hundred eighty-one, thereby creating the corporate legal existence of Pennsylvania, with appropriate exercises and programs, to the end that the establishment or birthday of Pennsylvania shall be commemorated each year.