1928–1945 · Europe · Medicine
Fleming’s observation and the later development of penicillin opened the antibiotic era, making many bacterial infections treatable for the first time.
Atlas dossier · World WarsFree device narration · synchronized English captions · transcript available
Why it matters
Fleming’s observation and the later development of penicillin opened the antibiotic era, making many bacterial infections treatable for the first time.
Alexander Fleming · Howard Florey · Ernst Chain · patients · pharmaceutical workers
Antibiotics changed surgery, childbirth and life expectancy, while antimicrobial resistance now makes their careful use urgent.
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
1929–1939 · GlobalGreat DepressionFinancial collapse, deflation and unemployment spread through an interconnected world economy, devastating households and trade.
1931–1945 · AsiaThe Asia-Pacific War and NanjingJapanese imperial expansion in Manchuria and China widened into a devastating Asia-Pacific war. The Nanjing Massacre of 1937–38 was one of its most notorious episodes of mass killing, sexual violence and terror against civilians and prisoners.
1936–1945 · GlobalMacroeconomics, national accounts and welfare statesThe Great Depression and wartime planning accelerated macroeconomics, national-income accounting and new arguments for public employment, social insurance and economic stabilization.