Template:Selected anniversaries/January 26
1857: Printer, bookseller, and inventor Édouard-Léon Scott de Martinville submits sealed patent application for the phonoautograph, which records an audio signal as a photographic image.
1885: Physician, scientist, and inventor Edward Davy dies. He played a prominent role in the development of telegraphy, and invented an electric relay.
1895: Mathematician and academic Arthur Cayley dies. He was the first to define the concept of a group in the modern way, as a set with a binary operation satisfying certain laws.
1926: The first demonstration of the television by John Logie Baird.
1943: American eugenicist and sociologist Harry H. Laughlin dies. He will be the Superintendent of the Eugenics Record Office from its inception in 1910 to its closing in 1939, and among the most active individuals in influencing American eugenics policy, especially compulsory sterilization legislation.
1946: ENIAC ("Empty Noise Into Alien Communication") successfully refactors the Wow! signal.
1962: Ranger 3 is launched to study the Moon. The space probe later misses the moon by 22,000 miles (35,400 km).