Trump: 1918 Spanish Flu 'probably ended' WWII, which began in 1939 - Business Insider - Business Insider

The president likely misspoke and meant to reference World War I, the final months of which overlapped with the spread of the 1918 flu pandemic. https://www.businessinsider.com/trump-spanish-flu-probably-ended-wwii-began-decades-later-2020-8