December 9

Swami Vivekananda installed the relics of Ramakrishna at Belur Math on the Ganges, establishing the headquarters of the Ramakrishna Math and Mission.

Fulton J. Sheen, the American archbishop known for his radio and television preaching, died in New York.

At a San Francisco computer conference, Douglas Engelbart's live demonstration publicly introduced the computer mouse, hypertext, on-screen windows, and real-time collaborative editing.