On This Day in Tech History

Stories Published April 3 Throughout History

2025

Historic Tech Events

The First Handheld Mobile Phone Is Made

The First Handheld Mobile Phone Is Made
1973

The first handheld mobile phone call was made in New York City by Motorola engineer and executive Martin Cooper using a Motorola DynaTAC 8000x prototype. The gadget was bulky and heavy, weighing roughly 2.5 pounds (1.1 kg). Cooper called Joel Engel at Bell Laboratories, an AT&T subsidiary. The first successful mobile phone call was made during this roughly 20-minute call, making history!

Martin Luther King's last speech

Martin Luther King's last speech
1968

Martin Luther King Jr delivered his final speech, a day before his assassination. He alludes to the possibility of his death at the end of the speech. The popular speech is among the 100 greatest speeches of the 20th century.

Osborne 1 is launched

Osborne 1 is launched
1981

Osborne 1, the world's first commercially successful portable computer is released. It weighed 11.1 kg, and used a large bundle of software and represented an advancement of the world's microcomputers at the time.

First Gen Ipad released

First Gen Ipad released
2010

Known as the original iPad, the iPad 1 is the first device in Apple's iPad line-ups, with over 300,000 of them being sold on the first day of their availability.

Panama Papers Leaked

Panama Papers Leaked
2016

The Panama Papers, which contained 11.5 million documents detailing financial and attorney-client information for more than 214,488 offshore entities, were leaked. This leak was one of the largest in history, and it exposed the shady financial practices of many powerful individuals and organizations around the world.

2024

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