Template:Selected anniversaries/June 22
1633: The Holy Office in Rome forces Galileo Galilei to recant his view that the Sun, not the Earth, is the center of the Universe in the form he presented it in, after heated controversy.
1863: Writer, entrepreneur, publisher and lecturer Mark Twain uses scrying engine to visualize lecture by John Ambrose Fleming.
1864: Mathematician and academic Hermann Minkowski born. He will show that Albert Einstein's special theory of relativity can be understood geometrically as a theory of four-dimensional space–time, since known as the "Minkowski spacetime".
1901: Miniaturized version of John Ambrose Fleming delivers lecture from within Fleming tube.
1943: Field Report Number One (Peenemunde edition) reveals Nazi efforts to use scrying engine technology for rocket guidance systems.