A Timeline To Date

https://sites.google.com/site/davidcrofts/a-timeline-to-date/2020.01.01.png?attredirects=0
https://sites.google.com/site/davidcrofts/a-timeline-to-date/2014.12.02.png?attredirects=0
https://sites.google.com/site/davidcrofts/a-timeline-to-date/2003.06.30.png?attredirects=0
https://sites.google.com/site/davidcrofts/a-timeline-to-date/1961.02.23.png?attredirects=0

Revised - April 17, 2022