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a brutal war that lasted from 1861 to 1865 -
Wright brothers make
the first controlled, sustained flight in heavier-than-air aircraft at Kitty Hawk,
N.C. -
World War I or the First World War was a global conflict fought between two coalitions: the Allies and the Central Powers. Fighting took place throughout Europe, the Middle East, Africa, the Pacific, and parts of Asia. -
The League of Nations was the first worldwide intergovernmental organisation whose principal mission was to maintain world peace. It was founded on 10 January 1920 by the Paris Peace Conference that ended the First World War. -
a severe global economic downturn that affected many countries across the world. -
a global conflict that lasted from 1939 to 1945 -
United Nations is established from nations in the world -
The Korean War was fought between North Korea and South Korea from 1950 to 1953. The war began on 25 June 1950 when North Korea invaded South Korea. The war ceased with an armistice on 27 July 1953. -
"I Have a Dream" is a public speech that was delivered by American civil rights activist and Baptist minister Martin Luther King Jr. during the March on Washington for Jobs and Freedom on August 28, 1963. In the speech, King called for civil and economic rights and an end to racism in the United States -
a disease caused by a virus named SARS-CoV-2