Soviet Union <a href="https://en.wikipedia.org/wiki/Venera" id="mwAaI" rel="mw:WikiLink" title="Venera">Venera</a> program: <i id="mwAaM"><a href="https://en.wikipedia.org/wiki/Venera_7" id="mwAaQ" rel="mw:WikiLink" title="Venera 7">Venera 7</a></i> launched. It will become the first spacecraft to successfully transmit data from the surface of another planet (<a href="https://en.wikipedia.org/wiki/Venus" id="mwAaU" rel="mw:WikiLink" title="Venus">Venus</a>).