November 20 in history: Princess Diana's revelation, Mexican Revolution and more

The three light traffic signal patented, India launches its first sounding rocket Rohini-75, and more — here's what happened on this day in history

1910

Francisco Madero launches the Mexican Revolution

(Photograph:WION)

1923

US inventor Garrett Morgan patents three light traffic signal

(Photograph:WION)

1967

India launches its first sounding rocket Rohini-75

(Photograph:WION)

1995

 Princess Diana accepts her extramarital affair in a TV interview

(Photograph:WION)

1998

First segment of International Space Station, Zarya is launched

(Photograph:WION)

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