1861 – The first transcontinental telegraph message was sent when Justice Stephen J. Field of California transmitted a telegram to US President Abraham Lincoln.
1945 – The United Nations (UN) was formally established less than a month after the end of World War II. The Charter was ratified by China, France, the Soviet Union, the United Kingdom, the United States and by a majority of other signatories.
1948 – The term “cold war” was used for the first time. It was in a speech by Bernard Baruch before the Senate War Investigating Committee.