TiMELiNES
Everything has a timeline
TiMELiNES
October 14, 1947
Chuck Yeager breaks the sound barrier
The Bell X-1 becomes the first aircraft to exceed Mach 1 in level flight.
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Everything has a timeline
October 14, 1947
The Bell X-1 becomes the first aircraft to exceed Mach 1 in level flight.
Context
Authority
Taxonomy