19272022

1927–2022 denotes the historical span from the late 1920s through the early 2020s. In historiography and other analytic disciplines, this broad interval is used to study long-term shifts in politics, economy, culture, science, and technology across multiple regions and societies.

The period begins with cultural and economic transitions of the late 1920s, including the advent of synchronized sound in cinema and the onset of the global Great Depression after 1929. It encompasses World War II, the postwar reconstruction era, and the rapid realignment of international power during the Cold War. It also covers decolonization, the growth of economies in various regions, and the emergence of mass media, aviation, and consumer technologies that reshaped everyday life.

From the late 20th century onward, the world experienced exponential technological change, with computing, the internet, mobile communications, and later artificial intelligence transforming economies and governance. Globalization, environmental concerns, and social movements influenced policy and culture. The 21st century has seen significant disruption from financial crises, geopolitical tensions, and global public health challenges, culminating near 2022 with ongoing recovery and adaptation.

As a framing device, the 1927–2022 interval is not a fixed set of events but a lens for comparing regional trajectories, policy responses, and cultural shifts across regions and disciplines. The exact interpretation depends on scholarly focus and methodological approach.