- 1990 The largest dinosaur fossil is foundAmerican palaeontologist Sue Hendrickson found the fossilised remains of a Tyrannosaurus rex in the state of South Dakota. Sue, as the dinosaur are now informally called after its discoverer, is thought to have been 14 feet tall when alive.
- 1981 The IBM Personal Computer is stocked in stores for the first time Known as the IBM PC or the IBM 5150, the computer had no disk drives and sold for about $1500.
To learn more about Today in History visit https://www.timeanddate.com/on-this-day/august/12