In Brushaber v. Union Pacific Railroad Co., the Supreme Court of the United States declares the federal income tax constitutional.
23 January 393
Roman Emperor Theodosius I proclaims his eight-year-old son Honorius co-emperor.
22 January 1917
American entry into World War I: President Wilson of the still-neutral United States calls for “peace without victory” in Europe.
21 January 1976
Commercial service of Concorde begins with the London-Bahrain and Paris-Rio routes.
20 January 2009
A protest movement in Iceland culminates as the 2009 Icelandic financial crisis protests start.
16 January 1862
Hartley Colliery disaster: Two hundred and four men and boys killed in a mining disaster, prompting a change in UK law which henceforth required all…
15 January 1889
15 January 1889 – The Coca-Cola Company, then known as the Pemberton Medicine Company, is incorporated in Atlanta. The Pemberton Medicine Company traces its roots…