{"id":622920,"date":"2026-01-18T21:42:09","date_gmt":"2026-01-18T20:42:09","guid":{"rendered":"https:\/\/cronologia-universale.it\/1932-23\/"},"modified":"2026-01-18T21:42:09","modified_gmt":"2026-01-18T20:42:09","slug":"1922-10","status":"publish","type":"post","link":"https:\/\/cronologia-universale.it\/en\/1922-10\/","title":{"rendered":"1922"},"content":{"rendered":"<p>Abel Wolman becomes Chief Engineer of the Maryland State Department of Health. Along with Linn Eslow, he invents water chlorination, helping save an estimated 177 million lives (up to the beginning of the 21st century alone).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Abel Wolman becomes Chief Engineer of the Maryland State Department of Health. 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