“These are the things we know that we know. “There are known unknowns. That is to say, there are things that we know we don’t know,” Rumsfeld continued. “But there are also unknown unknown ...

As the noted philosopher Donald Rumsfeld said, there are known unknowns (the things you know you don't know) and unknown unknowns (the things you don't know you don't know). When the former ...

February 2011 – Rumsfeld’s book, “Known and Unknown: A Memoir,” is published. August 29, 2013 – “The Unknown Known,” Errol Morris’ documentary about Rumsfeld, premieres at the ...

The world used to be a familiar place, but then along came Donald Trump. Since the end of World War II, people around the ...

So much so that I am reminded of the then US Secretary of Defence, Donald Rumsfeld's famous quote from 2002: “There are known unknowns… But there are also unknown unknowns. There are things we ...

Here’s a look at the life of former US Secretary of Defense Donald Rumsfeld. Personal Birth date: July 9, 1932 Death date: June 29, 2021 Birth place: Chicago, Illinois Birth name: Donald Harold ...