United States | United Kingdom | Republican Party (United States) | Democratic Party (United States) | United States House of Representatives | President of the United States | United Nations | United States Senate | United States Navy | United States Army | Supreme Court of the United States | United States Air Force | Native Americans in the United States | United States Congress | Parliament of the United Kingdom | 66th United States Congress | Prime Minister of the United Kingdom | 74th United States Congress | 18th United States Congress | 73rd United States Congress | 54th United States Congress | 61st United States Congress | United States Marine Corps | United States Department of Defense | 64th United States Congress | 65th United States Congress | 53rd United States Congress | 52nd United States Congress | 55th United States Congress | United States Army Corps of Engineers |
In 1983, two friends involved in the southern California atheist and freethought movements, Al Seckel and John Edwards, co-created the Darwin fish design, which was first used on a freethought leaflet entitled "Darwin's Views on Religion" for Atheists United in 1984.