All times in UTC ·
Dashed edge = started before, or continues beyond, this day
Events on Friday 1 February 1957 2
1957Asian flu pandemic spreads worldwideH2N2 influenza outbreak kills over a million peopleAn influenza pandemic caused by the H2N2 virus, first identified in China, spread across Asia, Europe, and the Americas over the course of 1957. It killed an estimated one to two million people worldwide before subsiding.
1957The Wankel rotary engine runsA triangle instead of a pistonFelix Wankel's rotary engine runs for the first time at NSU — no pistons, no valves, a triangular rotor sweeping three chambers at once. It is smooth, compact and powerful for its size, and it burns oil, wears its seals out and fails emissions tests. Mazda persists with it for fifty years out of something close to stubbornness.