Undated Events : A list of events which we have not, yet, been able to date or verify. So they have not been added to the timeline proper.

• MOSS (Map Overlay Statistical System)
• New York Land Use & National Resources Information System
• GIS World
• Mapping Awareness
• ComputerVision
• IBM CADCAM
• Autocad
• GIMMS mapping system
• System 9
• Siemens GIS(Germany)
• POLYVRT system developed at the Harvard Lab for Computer Graphics and Spatial Analysis
• Synercom