On February 27, 1860, New York party leaders invited Lincoln to give a speech at Cooper Union to a group of powerful Republicans.

On November 6, 1860, Lincoln was elected the 16th president of the United States, beating Democrat Stephen A. Douglas, John C. Breckinridge of the Southern Democrats, and John Bell of the new Constitutional Union Party.

On April 12, 1861, Confederate forces fired on Union troops at Fort Sumter, forcing them to surrender, and began the war.

On April 15, Lincoln called on all the states to send detachments totaling 75, 000 troops to recapture forts, protect Washington, and " preserve the Union ", which, in his view, still existed intact despite the actions of the seceding states.

On April 19, secessionist mobs in Baltimore that controlled the rail links attacked Union troops traveling to the capital.

On April 28 he moved to Los Angeles where he had family and remained there until May when, suspected by local Union authorities, he evaded arrest and joined the Los Angeles Mounted Rifles as a private, leaving Warner's Ranch May 27.

On September 13, 1861, in view of the decision of the Kentucky legislature to side with the Union after the occupation of Columbus by Polk, Johnston ordered Brig.

On January 19, 1862, the ill-prepared Confederates, after a night march in the rain, attacked the Union force with some initial success.

On February 6, 1862, Union Navy gunboats quickly reduced the defenses of ill-sited Fort Henry, inflicting 21 casualties on the small remaining Confederate force.

On April 12, 1961, Soviet cosmonaut Yuri Gagarin became the first person to fly in space, reinforcing American fears about being left behind in a technological competition with the Soviet Union.

The framework for the Union of Russia and Belarus was set out in the Treaty On the Formation of a Community of Russia and Belarus ( 1996 ), the Treaty on Russia-Belarus Union, the Union Charter ( 1997 ), and the Treaty of the Formation of a Union State ( 1999 ).

On 1 January 2007 Bulgaria entered the European Union.

On 1 December 2009, Standard and Poors upgraded Bulgaria's investment outlook from " negative " to " stable ," which made Bulgaria the only country in the European Union to receive positive upgrade that year.

On 5 September 1944, the Soviet Union declared war and invaded on Bulgaria.

On 8 September 1944, the Bulgarian army joined the Soviet Union in its war against Germany.

On 31 October 1958, the Union of Soviet Writers held a trial behind closed doors.

On the Union right, demonstrations escalated into full-scale assaults on Culp's Hill and Cemetery Hill.

On the third day of battle, July 3, fighting resumed on Culp's Hill, and cavalry battles raged to the east and south, but the main event was a dramatic infantry assault by 12, 500 Confederates against the center of the Union line on Cemetery Ridge, known as Pickett's Charge.

: On December 16, 2004, the CIA added an entry for the European Union ( EU ).

On February 25, 1918, as the counterrevolutionary organization Union of Front-liners was making advances, the executive committee of the Saratov Soviet formed a counter-revolutionary section.

On September 11, the Soviet Union publicly warned that a US attack on Cuba or on Soviet ships carrying supplies to the island would mean war.

On September 11, the Telegrafnoe Agentstvo Sovetskogo Soyuza ( Soviet News Agency TASS ) announced that the Soviet Union had no need or intention to introduce offensive nuclear missiles into Cuba.

On August 15, 2007, Sam Porpora, a former historian at the Westminster Church in Baltimore where Poe is buried, claimed that he had started the tradition in the 1960s.

Some " calumnious fictions " were written about Herodotus in a work titled On the Malice of Herodotus, by Plutarch, a Theban by birth, ( or it might have been a Pseudo-Plutarch, in this case " a great collector of slanders "), including the allegation that the historian was prejudiced against Thebes because the authorities there had denied him permission to set up a school.

In the words of one modern historian, " On the fate of Orléans hung that of the entire kingdom.

On War is a work rooted solely in the world of the nation state, says historian Martin Van Creveld, who alleges that Clausewitz takes the state " almost for granted " as he rarely looks at anything previous to Westphalia.

English philosopher and historian of science William Whewell coined the term scientist in 1833, and it was first published in Whewell's anonymous 1834 review of Mary Somerville's On the Connexion of the Physical Sciences published in the Quarterly Review.

After Scupi was almost completely destroyed by an earthquake in 518 AD, Justinian, according to his historian Procopius in " De Aedificiis " ( On the Buildings ), built a new city near his birthplace Tauresium and Bederiana ( believed to be today's villages Taor and Bader ) at the fertile entry point of the River Lepenec into the Vardar, making Skopje the city of Justiniana Prima.

On the new kingdom, the historian Simon Schama said, " What began as a hostile merger would end in a full partnership in the most powerful going concern in the world ... it was one of the most astonishing transformations in European history.

Upon hearing of the defeat, the Emperor Augustus, according to the Roman historian Suetonius in his work De vita Caesarum (" On the Life of the Caesars "), was so shaken by the news that he stood butting his head against the walls of his palace, repeatedly shouting:

On multiple occasions, Derrida referred to himself as a historian:

On 12 June the Senate approved resources to fund an academic contingent for the expedition, and three academics – Johann Georg Gmelin ( a natural historian ), Louis De l ’ Isle de la Croyère ( an astronomer ), and Gerhard Friedrich Müller ( an anthropologist ) – were selected by the Academy of Sciences.

On September 10, 1960, he hit a ball left-handed that cleared the right-field roof at Tiger Stadium in Detroit and, based on where it was found, was estimated years later by historian Mark Gallagher to have traveled 643 feet ( 196 m ).

On this occasion Totila exhibited a considerable humanity which was not to be expected, as the historian Procopius remarks, from an enemy or a barbarian.

* The Greek historian / biographer Plutarch of Chaeronea wrote the On the Fortune or the Virtue of Alexander the Great and " Life of Alexander " in his " Parallel Lives " series, paired with " Life of Julius Caesar "

Bad publicity after a bid by NBC to squelch the stunt --- and an accidental mention by Rudy Vallee on his Fleischmann's Hour --- helped the stunt continue, according to radio historian John Dunning's On the Air: The Encyclopedia of Old-Time Radio, which also mentioned that Gracie's real brother, a " publicity-shy accountant " living in San Francisco, went into hiding until the gag ran its course.

On February 3, 1865, near the end of the American Civil War, two squadrons of the Illinois cavalry attacked Mer Rouge and, according to the historian John D. Winters seized some horses, mules, and Negroes and " burned about 300, 000 bushels of corn some cotton.

On several occasions in the life of the AFVA, organization members have requested that an “ official historian ” of the AFVA be appointed and that oral histories be done so that our patrimony is not lost.

On one occasion when asked what he thought the future might bring, he replied " Dear boy, you should never ask an historian to predict the future-frankly we have a hard enough time predicting the past.

His little treatise On the Statues destroyed by the Latins ( perhaps altered by a later writer ) is of special interest to the archaeologist and art historian.

Only the misplacement of Russian forces by Kutuzov over both Bagration's and Barclay's protest prevented the ruin of the French army that day, both the Prussian Staff Officer Karl von Clausewitz, the historian and future author of On War, and Alexander I of Russia noting that the poor positioning of troops in particular had hobbled the defense.

There was less consensus around: " On that fateful night ," said one historian, " were together, shocks, and all but one capable of saving Providence hosts.

On the whole, antiquity looked favourably on Sallust as an historian.

Giving a succinct background to the story, historian Ronnie Po-chia Hsia wrote: " On Easter Sunday 1475, the dead body of a 2-year-old Christian boy named Simon was found in the cellar of a Jewish family's house in Trent, Italy.

On the other hand, Sir Nikolaus Pevsner, the noted architecture historian, considered the building, " Brutalist by tradition but not brutal to the landscape ... the elements, though bold, sensitively composed.

On the other hand, the books he wrote ashore made him arguably the most influential naval historian of the period.