What day of the week was April 3, 1973?

The day of the week April 3rd, 1973 fell on was a Tuesday. There were 19 days until Easter Sunday.

Martin Cooper of Motorola makes the first handheld mobile phone call to Joel S. Engel of Bell Labs the though it took ten years for the DynaTAC 8000X to become the first such phone to be commercially released.