1947–1971 · Americas · Technology
The transistor replaced bulky vacuum tubes, while electronic computers and then microprocessors made information processing smaller, faster and cheaper.
Atlas dossier · Cold War & DecolonizationFree device narration · synchronized English captions · transcript available
Why it matters
The transistor replaced bulky vacuum tubes, while electronic computers and then microprocessors made information processing smaller, faster and cheaper.
Bardeen · Brattain · Shockley · Grace Hopper · engineers · programmers
These advances created the hardware basis for digital communication, automation, scientific simulation and personal computing.
Interpretation note
This dossier distinguishes the event’s basic chronology from later arguments about meaning, responsibility and legacy. When comparing religious, national, Indigenous or scholarly interpretations, consult the primary and institutional sources above alongside peer-reviewed historical work.
Elsewhere in the world
1947–1949 · Middle East1948 war, Palestinian displacement and the making of IsraelThe end of the British Mandate, the UN partition plan, civil war and the 1948 Arab–Israeli war created the State of Israel and displaced hundreds of thousands of Palestinians. Israelis and Palestinians carry different memories and narratives of this formative period.
1947–1991 · GlobalCold War, nuclear brinkmanship and Soviet collapseRival U.S.- and Soviet-led blocs organized military alliances, nuclear arsenals, espionage, proxy wars and economic competition. Reform movements and internal crisis contributed to the revolutions of 1989 and the Soviet Union’s dissolution in 1991.
1947 · AsiaPartition and independence of India and PakistanBritish India became independent India and Pakistan amid hurried border-making, mass migration and catastrophic communal violence.