In which year was the first message sent to space from earth?

Question

just give me the year...I'm talking about that officially message,there was a opera song indeed and a kid talking about the earth and,that we want peace and start like this: Greetings from the earth

Answer 1

the first message that had the power to exit our atmosphere was belive it or not a broadcast from hitler in probabley 1942 the radio transmitter had to be powerful enough to streach across europe and back then the germans were ahead the rest of the world in therms of technology