when was the challenger disaster

The Challenger disaster occurred on January 28, 1986.
Here’s a tightly focused Quick Scoop in the style you asked for.
When was the Challenger disaster?
- Date of disaster: January 28, 1986.
- Location: Shortly after launch from Cape Canaveral, Florida, over the Atlantic Ocean.
- Time after liftoff: The shuttle broke apart about 73 seconds into flight.
The launch was meant to be a routine mission that included the “Teacher in Space” program, but unusually cold weather and a known weakness in the solid rocket boosters’ O-rings led to a catastrophic failure just over a minute after liftoff.
Very short answer
The space shuttle Challenger disaster was on January 28, 1986.
TL;DR: The Challenger disaster happened on January 28, 1986, a little over one minute after launch from Cape Canaveral.
Information gathered from public forums or data available on the internet and portrayed here.