Theodore Roosevelt, the 26th president of the United States, dies at Sagamore Hill, his estate overlooking New York’s Long Island Sound.

The day after British Prime Minister David Lloyd George’s arrival in Paris, he meets with representatives from the other Big Four nations—Prime Ministers Georges Clemenceau of France and Vittorio Orlando of Italy and President Woodrow Wilson of the United States—at the French Foreign Ministry on the Quai d’Orsay, for the first of what will be more than 100 meetings.

Fiery hot molasses floods the streets of Boston on January 15, 1919, killing 21 people and injuring scores of others. The molasses burst from a huge tank at the United States Industrial Alcohol Company building in the heart of the city.

A coup launched in Berlin by a group of radical socialist revolutionaries is brutally suppressed by right-wing paramilitary units from January 10 to January 15, 1919; the group’s leaders, Karl Liebknecht and Rosa Luxemburg, are murdered.

The 18th Amendment to the U.S. Constitution, prohibiting the “manufacture, sale, or transportation of intoxicating liquors for beverage purposes,” is ratified by the requisite number of states on January 16, 1919.

On January 18, 1919, in Paris, France, some of the most powerful people in the world meet to begin the long, complicated negotiations that would officially mark the end of the First World War.

On January 25, 1919, in Paris, delegates to the peace conference formally approve the establishment of a commission on the League of Nations.

On February 5, 1919, Hollywood heavyweights Charlie Chaplin, Mary Pickford, Douglas Fairbanks and D.W. Griffith join forces to create their own film studio, which they called the United Artists Corporation.

Habibullah Khan, the leader of Afghanistan who struggled to keep his country neutral in World War I in the face of strong internal support for Turkey and the Central Powers, is shot and killed while on a hunting trip on February 20, 1919.

On this day in 1919, President Woodrow Wilson officially designated the Grand Canyon as a national park. The geological wonder would go on to become one of America's most popular tourist attractions.

Benito Mussolini, an Italian World War I veteran and publisher of Socialist newspapers, breaks with the Italian Socialists and establishes the nationalist Fasci di Combattimento, named after the Italian peasant revolutionaries, or “Fighting Bands,” from the 19th century. It would evolve into the more commonly known Fascist Party—which, as Mussolini’s new right-wing organization, advocated Italian nationalism, had black shirts for uniforms and launched a program of terrorism and intimidation against its leftist opponents.

Emiliano Zapata, a leader of peasants and Indigenous people during the Mexican Revolution, is ambushed and shot to death in Morelos by government forces.

In Amritsar, India’s holy city of the Sikh religion, British and Gurkha troops massacre at least 379 unarmed demonstrators meeting at the Jallianwala Bagh, a city park. Most of those killed were Indian nationalists meeting to protest the British government’s forced conscription of Indian soldiers and the heavy war tax imposed against the Indian people.

On April 19, 1919, the Saturday before Easter, tense and complicated negotiations begin at the Paris peace conference over Italy’s claims to territory in the former Austro-Hungarian Empire.

On May 5, 1919, the delegation from Italy—led by Prime Minister Vittorio Orlando and Foreign Minister Sidney Sonnino—announce that they will return to the Versailles Peace Conference in Paris, France, after leaving abruptly 11 days earlier during contentious negotiations over the territory Italy would receive after the First World War.

On May 8, 1919, Edward George Honey, a journalist from Melbourne, Australia, living in London at the time, writes a letter to the London Evening News proposing that the first anniversary of the armistice ending World War I—concluded on November 11, 1918—be commemorated by several moments of silence.

During the second week of May 1919, the recently arrived German delegation to the Versailles Peace Conference, convened in Paris after the end of the First World War, pore over their copies of the Treaty of Versailles, drawn up in the months preceding by representatives of their victorious enemies. On May 13, German foreign minister Ulrich von Brockdorff-Rantzau lodges their written objections to what they considered to be unfairly harsh treatment.

The 19th Amendment to the U.S. Constitution, granting women the right to vote, is passed by Congress and sent to the states for ratification.

On June 20, 1919, during the final days of the Versailles Peace Conference held in Paris, France, the German cabinet deadlocks over whether to accept the peace terms presented to its delegation by the other nations at the peace conference–most notably the Council of Four: France, Britain, the United States and Italy–and ratify the Versailles Treaty.

On August 11, 1919, Friedrich Ebert, a member of the Social Democratic Party and the provisional president of the German Reichstag (government), signs a new constitution, known as the Weimar Constitution, into law, officially creating the first parliamentary democracy in Germany.

On August 19, 1919, in a break with conventional practice, U.S. President Woodrow Wilson appears personally before the Senate Foreign Relations Committee to argue in favor of its ratification of the Versailles Treaty, the peace settlement that ended the First World War.

On September 3, 1919, President Woodrow Wilson embarks on a tour across the United States to promote American membership in the League of Nations, an international body that he hoped would help to solve international conflicts and prevent another bloody world war like the one from which the country had just emerged—World War I. The tour took an enormous toll on Wilson’s health.

The infamous Boston Police Strike of 1919 begins, causing an uproar around the nation and confirming the growing influence of unions on American life.

On September 10, 1919, almost one year after an armistice officially ended the First World War, New York City holds a parade to welcome home General John J. Pershing, commander in chief of the American Expeditionary Force (AEF), and some 25,000 soldiers who had served in the AEF’s 1st Division on the Western Front.

President Woodrow Wilson, who had just cut short a tour of the country to promote the formation of the League of Nations, suffers a stroke on October 2, 1919.

On October 5, 1919, a young Italian car mechanic and engineer named Enzo Ferrari takes part in his first car race, a hill climb in Parma, Italy. He finished fourth. Ferrari was a good driver, but not a great one: In all, he won just 13 of the 47 races he entered. Many people say that this is because he cared too much for the sports cars he drove: He could never bring himself to ruin an engine in order to win a race.

Congress passes the Volstead Act over President Woodrow Wilson’s veto. The Volstead Act provided for the enforcement of the 18th Amendment to the U.S. Constitution, also known as the Prohibition Amendment.

On November 27, 1919, American-born Nancy Astor, the first woman ever to sit in the House of Commons, is elected to Parliament with a substantial majority. Lady Astor took the Unionist seat of her husband, Waldorf Astor, who was moving up to an inherited seat in the House of Lords.

On December 8, 1919, English economist John Maynard Keynes publishes The Economic Consequences of the Peace, a blistering critique of how the Treaty of Versailles that ended World War I would wreak economic and political havoc throughout the European continent. In effect, he predicts the chaos that would engender the Nazi state.