1st January » Postage stamps and postal history of Poland First Polish stamp e.g First Polish stamp is issued.
2nd January » The discovery of the planet Vulcan (hypothetical planet) e.g Vulcan is announced at a meeting of the French Academy of Sciences in Paris named Paris, France.
27th February » Abraham Lincoln makes a Cooper Union Address speech at Cooper Union in the city of New York City New York that is largely responsible for his election to the President of the United States Presidency.
5th March » Parma, Tuscany, Modena and Romagna vote in referendums to join the Kingdom of Sardinia.
17th March » The First Taranaki War begins in Taranaki Region named Taranaki, New Zealand, a major phase of the New Zealand land wars.
24th March » Sakuradamon incident (1860) e.g Sakuradamon incident: Assassination of Japanese Chief Minister (Tairō) Ii Naosuke.
28th March » First Taranaki War: The Battle of Waireka begins.
3rd April » The first successful United States Pony Express run from Saint Joseph, Missouri, to Sacramento, California, begins.
6th April » The Reorganized Church of Jesus Christ of Latter Day Saints—later renamed Community of Christ—is organized by Joseph Smith III and others at Amboy, Illinois
9th April » On his phonautograph machine, Édouard-Léon Scott de Martinville makes the history of sound recording named oldest known recording of an audible human voice.
14th April » The first Pony Express rider reaches San Francisco. The pony riders carried additionally, along with the mail, Pony Express Bible known as a small personal bible.
3rd May » Charles XV of Sweden or Charles XV of Sweden–Norway is crowned king of Sweden.
5th May » Giuseppe Garibaldi sets sail from Genoa, leading the expedition of the Thousand to conquer the Kingdom of the Two Sicilies and giving birth to the Kingdom of Italy.
18th May » Abraham Lincoln wins the Republican Party (United States) called Republican Party presidential nomination over William H. Seward, who later becomes the United States Secretary of State.
27th May » Giuseppe Garibaldi begins his attack on Palermo, Sicily, as part of the Italian Unification.
12th June » The State Bank of the Russian Empire is established.
23rd June » The Congress of the United States or United States Congress establishes the Government Printing Office.
30th June » The 1860 Oxford evolution debate at the Oxford University Museum of Natural History takes place.
3rd August » The New Zealand Wars named Second Maori War begins in New Zealand.
5th August » Charles XV of Sweden of Sweden-Norway is crowned king of Norway in Trondheim.
7th September » Italian re-unification: Garibaldi enters Naples.
8th September » The steamship 'PS Lady Elgin e.g Lady Elgin' sinks on Lake Michigan, with the loss of around 300 lives.
20th September » The Prince of Wales (later King Edward VII of the United Kingdom) visits the United States.
21st September » In the Second Opium War, an United Kingdom or Anglo-French force defeats Chinese troops at the Battle of Palikao.
8th October » Telegraph line between Los Angeles and San Francisco opens.
10th October » The original cornerstone of the University of the South is laid in Sewanee, Tennessee known as Sewanee, Tennessee.
17th October » First The Open Championship (referred to in North America as the 'British Open').
18th October » The Second Opium War finally ends at the Convention of Peking with the ratification of the Treaty of Tientsin, an Unequal Treaties (China) or unequal treaty.
26th October » Meeting of Teano. Giuseppe Garibaldi, conqueror of the Kingdom of Two Sicilies, gives it to King Victor Emmanuel II of Italy.
20th December » South Carolina becomes the first state to attempt to secession or secede from the United States.
26th December » The first ever inter-club association football match takes place between Hallam F.C. and Sheffield F.C. at the Sandygate Road ground in Sheffield, England, United Kingdom.
29th December » The first British seagoing ironclad warship, HMS Warrior (1860) named HMS 'Warrior' is launched.