the United Kingdom. United States Ronald Reagan as President of the United States proclaimed 11 February 1983 as National Inventors' Day, Proclamation 5013 , to "...call upon the people of the United States to observe this day with appropriate ceremonies and activities". In recognition of the enormous contribution inventors make to the nation and the world, the Congress, pursuant to Senate Joint Resolution 140 (Public Law 97 – 198), has designated 11 February, the anniversary of the birth of the inventor Thomas Alva Edison, who held over 1,000 patents, as National Inventors' Day. See also The heroic theory of invention and scientific development World Intellectual Property Day World Book and Copyright Day References Inventors February observances June observances September observances November observances Types of secular holidays