1898 events in history

Jan 1 New York, New York annexes land from surrounding counties, creating the City of Greater New York. The four initial boroughs, Manhattan, Brooklyn, Queens, and The Bronx, are joined on January 25 by Staten Island to create the modern city of five boroughs
Jan 12 Itō Hirobumi begins his third term as Prime Minister of Japan
Jan 13 Émile Zola's J'accuse exposes the Dreyfus affair
Feb 7 Dreyfus affair: Émile Zola is brought to trial for libel for publishing J'Accuse
Feb 15 The battleship USS Maine explodes and sinks in Havana harbor in Cuba, killing 274. This event leads the United States to declare war on Spain
Feb 23 Émile Zola is imprisoned in France after writing "J'accuse", a letter accusing the French government of antisemitism and wrongfully imprisoning Captain Alfred Dreyfus
Feb 27 King George I of Greece survives an assassination attempt
Apr 21 Spanish–American War: The United States Navy begins a blockade of Cuban ports. When the U.S. Congress issued a declaration of war on April 25, it declared that a state of war had existed from this date
Apr 22 Spanish–American War: The USS Nashville captures a Spanish merchant ship
Apr 25 Spanish–American War: The United States declares war on Spain
May 1 Spanish–American War — Battle of Manila Bay: The United States Navy destroys the Spanish Pacific fleet in the first battle of the war
May 8 The first games of the Italian football league system are played
Jun 10 Spanish–American War: U.S. Marines land on the island of Cuba
Jun 11 Spanish–American War: U.S. war ships set sail for Cuba
Jun 11 The Hundred Days' Reform is started by Guangxu Emperor with a plan to change social, political and educational institutions in China, but is suspended by Empress Dowager Cixi after 104 days. The failed reform though led to the abolition of the Imperial examination in 1905
Jun 12 Philippine Declaration of Independence: General Emilio Aguinaldo declares the Philippines' independence from Spain
Jun 13 Yukon Territory is formed, with Dawson chosen as its capital
Jun 17 The United States Navy Hospital Corps is established
Jun 21 The United States captures Guam from Spain
Jun 22 Spanish–American War: United States Marines land in Cuba
Jun 27 The first solo circumnavigation of the globe is completed by Joshua Slocum from Briar Island, Nova Scotia
Jul 1 Spanish–American War: The Battle of San Juan Hill is fought in Santiago de Cuba
Jul 3 Spanish–American War: The Spanish fleet, led by Pascual Cervera y Topete, is destroyed by the U.S. Navy in Santiago, Cuba
Jul 7 U.S. President William McKinley signs the Newlands Resolution annexing Hawaii as a territory of the United States
Jul 8 The death of crime boss Soapy Smith, killed in the Shootout on Juneau Wharf, releases Skagway, Alaska from his iron grip
Jul 25 After over two months of sea-based bombardment, the United States invasion of Puerto Rico begins with U.S. troops led by General Nelson Miles landing at harbor of Guánica, Puerto Rico
Aug 11 Spanish–American War: American troops enter the city of Mayagüez, Puerto Rico
Aug 12 The Hawaiian flag is lowered from ʻIolani Palace in an elaborate annexation ceremony and replaced with the flag of the United States to signify the transfer of sovereignty from the Republic of Hawaii to the United States
Aug 12 An Armistice ends the Spanish–American War
Aug 13 Carl Gustav Witt discovers 433 Eros, the first near-Earth asteroid to be found
Aug 13 Spanish–American War: Spanish and American forces engaged in a mock battle for Manila, after which the Spanish commander surrendered in order to keep the city out of Filipino rebel hands
Aug 23 The Southern Cross Expedition, the first British venture of the Heroic Age of Antarctic Exploration, departs from London
Aug 24 Count Muravyov, Foreign Minister of Russia presents a rescript that convoked the First Hague Peace Conference
Aug 25 Seven hundred Greek civilians, 17 British guards and the British Consul of Crete are killed by a Turkish mob in Heraklion, Greece
Aug 28 Caleb Bradham invents the carbonated soft drink that will later be called "Pepsi-Cola"
Aug 29 The Goodyear tire company is founded
Sep 2 Battle of Omdurman – British and Egyptian troops defeat Sudanese tribesmen and establish British dominance in Sudan
Sep 10 Empress Elisabeth of Austria is assassinated by Luigi Lucheni
Sep 13 Hannibal Goodwin patents celluloid photographic film
Sep 18 Fashoda Incident: Lord Kitchener's ships reach Fashoda, Sudan
Sep 21 Empress Dowager Cixi seizes power and ends the Hundred Days' Reform in China
Oct 1 The Vienna University of Economics and Business Administration is founded under the name k.u.k. Exportakademie
Oct 14 The steamer ship SS Mohegan sinks after impacting the Manacles near Cornwall, United Kingdom, killing 106
Oct 18 The United States takes possession of Puerto Rico from Spain
Nov 2 Cheerleading is started at the University of Minnesota with Johnny Campbell leading the crowd in cheering on the football team
Nov 3 France withdraws its troops from Fashoda (now in Sudan), ending the Fashoda Incident
Nov 8 The Wilmington Insurrection of 1898, the only instance of an attempted coup d'état in American history
Nov 10 Beginning of the Wilmington Insurrection of 1898, the only instance of a municipal government being overthrown in US history
Dec 3 The Duquesne Country and Athletic Club defeated an all-star collection of early football players 16-0, in what is considered to be the very first all-star game for professional American football
Dec 10 Spanish–American War: The Treaty of Paris is signed, officially ending the conflict