When Did Whaling Become Illegal?

When Did Whaling Become Illegal? By the early 1970s, the United States had listed eight whales as endangered species. The U.S. officially outlawed whaling in 1971. In 1946, several countries joined to form the International Whaling Commission (IWC). The IWC’s purpose is to prevent overhunting of whales. Why did whaling become illegal? By the late