In 1925 – Charles Jenkins publicly demonstrated synchronized transmission of silhouette pictures and sound, becoming the first person to demonstrate TV in the US.
In 1941 – John Mauchly visited John Atanasoff to see his computer. The two computer pioneers later battled in court over who was the legal inventor of the electronic digital computer.
In 1944 – Germany launched the first guided missile attack in history, sending V-1 rockets into London.
In 1983 – Pioneer 10 became the first human-made object to pass outside Pluto’s orbit and leave the central solar system.