1900 C.E to present

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.

The League held its first council meeting in Paris, six days after the Versailles Treaty and the Covenant of the League of Nations came into force. On 1 November 1920, the headquarters of the League was moved from London to Geneva, where the first General Assembly was held on 15 November 1920.

The New Economic Policy was an economic policy of Soviet Russia proposed by Vladimir Lenin, who described it as a progression towards "state capitalism" within the workers' state of the USSR.

Cuban leader Fidel Castro established the first communist state in the Western Hemisphere after leading an overthrow of the military dictatorship of Fulgencio Batista in 1959. and recently handed it to his brother.

The first five-year plan of the Union of Soviet Socialist Republics (USSR) was a list of economic goals, created by General Secretary Joseph Stalin and based on his policy of Socialism in One Country.

The Stock Market Crash ("Black Thursday"), was the most devastating stock market crash in the history of the United States, when taking into consideration the full extent .

Indian independence leader Mohandas Gandhi begins a defiant march to the sea in protest of the British monopoly on salt, his boldest act of civil disobedience yet against British rule in India.

The Japanese invasion of Manchuria began when the Kwantung Army of the Empire of Japan invaded Manchuria immediately following the Mukden Incident.

The Long March was a military retreat undertaken by the Red Army of the Communist Party of China, the forerunner of the People's Liberation Army, to evade the pursuit of the Kuomintang army.

Adolf Hitler, already chancellor, is also elected president of Germany in an unprecedented consolidation of power in the short history of the republic.

The Great Purge or the Great Terror was a campaign of political repression in the Soviet Union.

The Second Sino-Japanese War was a military conflict fought primarily between the Republic of China and the Empire of Japan.

The Mexican oil expropriation was the expropriation of all oil reserves, facilities, and foreign oil companies in Mexico.

On this day, Adolf Hitler announces an “Aeschylus” (union) between Germany and Austria, in fact annexing the smaller nation into a greater Germany.

The Invasion of Poland, also known as the September Campaign, or the 1939 Defensive War in Poland, and alternatively the Poland Campaign or Fall Weiss in Germany.

Operation Barbarossa was the code name for Nazi Germany's invasion of the Soviet Union during World War II.

The Battle of Stalingrad was a major battle of World War II in which Nazi Germany and its allies fought the Soviet Union for control of the city of Stalingrad in Southern Russia.

The Normandy landings were the landing operations of the Allied invasion of Normandy in Operation Overlord during World War II.

The Battle of Berlin, designated the Berlin Strategic Offensive Operation by the Soviet Union, was the final major offensive of the European theater of World War II

The United States, at the order of President Harry S. Truman, dropped nuclear weapons on the Japanese cities of Hiroshima and Nagasaki,during the final stage of World War II.

The United Nations is an intergovernmental organization to promote international co-operation and to create and maintain international order.

Apartheid was a system of institutionalized racial segregation and discrimination in South Africa

The 1948 Arab–Israeli War or the First Arab–Israeli War was fought between the State of Israel and a military coalition of Arab states, forming the second stage of the 1948 Palestine war.

On May 14, 1948, in Tel Aviv, Jewish Agency Chairman David Ben-Gurion proclaims the State of Israel, establishing the first Jewish state in 2,000 years.

Eleanor Roosevelt with the Spanish language version of the Universal Declaration of Human Rights. The Universal Declaration of Human Rights (UDHR) (text) is a declaration adopted by the United Nations General Assembly at the Palais de Chaillot in Paris, France.

The North Atlantic Treaty Organization, also called the North Atlantic Alliance, is an intergovernmental military alliance between several North American and European states based on the North Atlantic Treaty which was signed on 4 April 1949.

The Chinese Civil War and the victory of Mao Zedong's Communist forces over the Kuomintang forces of Generalissimo Chiang Kai-shek, who fled to Taiwan, Mao declared the founding of the People's Republic of China.

The Korean War began when North Korea invaded South Korea, with the United States as the principal force, came to the aid of South Korea. China came to the aid of North Korea, and the Soviet Union gave some assistance.

The Algerian War, also known as the Algerian War of Independence or the Algerian Revolution was a war between France and the Algerian National Liberation Front, which led to Algeria gaining its independence from France.

The Partition of India was the division of British India which accompanied the creation of two independent dominions, India and Pakistan.

The Battle of Dien Bien Phu was the decisive engagement in the first Indochina War.

The Warsaw Pact, formally the Treaty of Friendship, Co-operation, and Mutual Assistance and sometimes, informally, WarPac. was a collective defense treaty among the Soviet Union.

The Suez Crisis, was an invasion of Egypt in late 1956 by Israel, followed by the United Kingdom and France.

The Hungarian Revolution or the Hungarian Uprising of 1956 was a nationwide revolt against the government of the Hungarian People's Republic and its Soviet-imposed policies.

The Great Leap Forward of the People's Republic of China (PRC) was an economic and social campaign by the Communist Party of China (CPC).

The Sino-Soviet split was the deterioration of political and ideological relations between the neighboring states of the People's Republic of China and the Union of Soviet Socialist Republics during the Cold War.

3,500 United States Marines came ashore at Da Nang as the first wave of U.S. combat troops into South Vietnam, adding to the 25,000 U.S. military advisers already in place. On May 5 the U.S. 173rd Airborne Brigade became the first U.S. Army ground unit committed to the conflict in South Vietnam.

The Iranian Revolution refers to events involving the overthrow of the Pahlavi dynasty under Mohammad Reza Shah Pahlavi.

The Iran–Iraq War was an armed conflict between Iran and Iraq, when Iraq invaded Iran, to August 1988.

The withdrawal of Soviet combatant forces from Afghanistan was under the leadership of Colonel-General Boris Gromov

The Soviet Union was a result of the declaration number 142-Н of the Soviet of the Republics of the Supreme Soviet of the Soviet Union.

The Gulf War, codenamed Operation Desert Shield for operations leading to the buildup of troops and defense of Saudi Arabia and Operation Desert Storm in its combat phase.

The transfer of sovereignty over Hong Kong from the United Kingdom to the People's Republic of China, "the Return" in China, The landmark event marked the end of British rule in Hong Kong, and is often considered to mark the end of the British Empire.

Severe Acute Respiratory Syndrome (SARS) was first discovered in Asia. The outbreak lasted approximately six months as the disease spread to more than two dozen countries in North America, South America, Europe, and Asia.

The London bombings, also referred as 7/7, were a series of coordinated terrorist suicide bomb attacks in central London which targeted civilians using the public transport system during the rush hour.