
Browse Historical Events by Day: What Happened on May 15th?
Discover major events and cultural milestones that happened on this day — organized by year. Dates for earlier events may be approximate.
Note: Sources for the historical content shown, include research and reviews of relevant Online History Resources or printed material. When possible, we show a link to a source which provides additional or unique perspective about the event.
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The first test of an Allied aircraft using jet propulsion takes place as the Gloster-Whittle E 28/39 aircraft flies successfully over Cranwell, England, The jet engine was the brain child of Frank Whittle, an English pilot and aviation engineer, . A young German physicist, Hans von Ohain, working for Ernst Heinkel, developed the world's first jet plane, the experimental Heinkel He 178. It first flew on August 27, 1939. just before WW II started on September 1, 1939. More