25 years ago in 1982 John Walker & 15 partners started Autodesk. Today Autodesk has over 5,000 employees in 33 countries.
Take a look at www.autodesk.com/autocad25 and find timeline, trivia, some customers and a product tree.
I played the trivia without cheating and I got 12 of 15.
I started using AutoCAD in 1989 and is still using it.