18671942

18671942 is not a standard subject in itself but a concatenation of two year marks that is sometimes used as shorthand for a historical span covering the late 19th and early 20th centuries, from 1867 to 1942. In reference works and databases it may appear as a cataloging label, a dataset key, or a topic range when the focus crosses these years.

The period encompasses broad social and political change, including industrialization, urbanization, and the emergence of modern nation-states, along with imperial expansion and evolving political ideologies. It also covers significant scientific, cultural, and technological developments, as well as major conflicts. Because it spans several decades and many regions, the exact significance of 18671942 depends on geographic and thematic scope.

Notable milestones within this span include 1867, the confederation of Canada, and 1871, the unification of Germany. The late 19th and early 20th centuries saw rapid industrial growth, scientific progress, and empire-building in various regions. World War I occurred from 1914 to 1918, followed by the Russian Revolution in 1917 and the upheavals of the postwar era. The 1929 Great Depression reshaped economies and politics, while the 1930s brought the rise of totalitarian regimes in parts of Europe and Asia. The period also covers the early years of World War II, including 1942, a year marked by major campaigns such as Midway and Stalingrad.

In historiography and data presentation, 18671942 can serve as a frame for long-term comparisons or as a labeling convention for indicators tracked across the era.