18481848 is historically famous for the wave of revolutions, a series of widespread struggles for more liberal governments, which broke out from Brazil to Hungary; although most failed in their immediate aims, they significantly altered the political and philosophical landscape and had major ramifications throughout the rest of the century. Ereignisblatt aus den revolutionären Märztagen 18.-19. März 1848 mit einer Barrikadenszene aus der Breiten Strasse, Berlin 01.
1859January 21 – José Mariano Salas (1797–1867) becomes Conservative interim President of Mexico. January 24 (O. S.) – Under the rule of Alexandru Ioan Cuza, the provinces of Wallachia and Moldavia are united under the jurisdiction of the Ottoman Empire. It would be a principal step in forming the modern state of Romania. January 28 – The city of Olympia is incorporated in the Washington Territory of the United States of America. February 2 – Miguel Miramón (1832–1867) becomes Conservative interim President of Mexico.
1867January 1 – The Covington–Cincinnati Suspension Bridge opens between Cincinnati, Ohio, and Covington, Kentucky, in the United States, becoming the longest single-span bridge in the world. It was renamed after its designer, John A. Roebling, in 1983. January 8 – African-American men are granted the right to vote in the District of Columbia. January 11 – Benito Juárez becomes Mexican president again. January 15 – London Skating Disaster where 40 people died when the ice broke.
1863January 1 – Abraham Lincoln signs the Emancipation Proclamation during the third year of the American Civil War, making the abolition of slavery in the Confederate states an official war goal. It proclaims the freedom of 3.1 million of the nation's four million slaves and immediately frees 50,000 of them, with the rest freed as Union armies advance. January 2 – Master Lucius Tar Paint Company (Teerfarbenfabrik Meister Lucius), predecessor of Hoechst, as a worldwide chemical manufacturing brand, founded in a suburb of Frankfurt am Main, Germany.
1847January 4 – Samuel Colt sells his first revolver pistol to the U.S. government. January 13 – The Treaty of Cahuenga ends fighting in the Mexican–American War in California. January 16 – John C. Frémont is appointed Governor of the new California Territory. January 17 – St. Anthony Hall fraternity is founded at Columbia University, New York City. January 30 – Yerba Buena, California, is renamed San Francisco.
January 1January 1 or 1 January is the first day of the year in the Gregorian Calendar. There are 364 days remaining until the end of the year (365 in leap years). This day is also known as New Year's Day since the day marks the beginning of the year. TOC 153 BC – For the first time, Roman consuls begin their year in office on January 1. 45 BC – The Julian calendar takes effect as the civil calendar of the Roman Empire, establishing January 1 as the new date of the new year. 42 BC – The Roman Senate posthumously deifies Julius Caesar.
1710In the Swedish calendar it was a common year starting on Saturday, one day ahead of the Julian and ten days behind the Gregorian calendar. January 1 – In Prussia, Cölln is merged with Alt-Berlin by Frederick I to form Berlin. January 4 – Robert Balfour, 5th Lord Balfour of Burleigh, two days before he is due to be executed for murder, escapes from the Edinburgh Tolbooth by exchanging clothes with his sister. February 17 – Mauritius, a Dutch colony since 1638, is abandoned by the Dutch.