18721936

18721936 refers to the time span from 1872 to 1936, a historical interval spanning the late 19th century into the early 20th century. As a period, it encompassed significant social, political, and technological changes that shaped the modern world, including rapid industrialization, urbanization, and the expansion of global communication and transportation networks such as railways, telegraph systems, and early electric power grids.

In political and social terms, the era saw imperial expansion, the major upheavals of World War I (1914–1918), and the transformative events of the interwar years. The Russian Revolution of 1917 contributed to the creation of the Soviet Union and influenced political movements worldwide. The postwar period brought political realignments, economic volatility, and reforms aimed at expanding suffrage and shaping national governance. The onset of the Great Depression in 1929 intensified economic hardship and fostered various responses across economies. The mid-1930s also witnessed rising tensions and conflicts that would culminate in broader regional and global confrontations.

In science and culture, the interval featured advances in physics, chemistry, medicine, and technology, alongside shifts in art, literature, and cinema. Technological innovations increasingly connected societies and transformed everyday life. Notable milestones within or near the period include the designation of Yellowstone National Park in 1872, the 1936 Berlin Olympic Games, and ongoing political and cultural changes that reflected the transition from 19th-century patterns to 20th-century modernity.

Overall, 1872 to 1936 captures a transformative era that laid groundwork for many later historical developments.