Well more like two really.
We (the Cold War Commanders) are putting on three games at Joy of Six this July. The games will be set in the same location on three different dates (in 1959, 1973 and 1989) and will all involve a Soviet motor Rifle Regiment attacking a British battalion battlegroup. This means that we need triplicate terrain items.
Here's my first go at producing one location in three periods:
Not terribly clear but the houses have been repainted in the pic below.
I'm working on the principle that property boundaries tent to be preserved over time. In this case the two semi-detached houses shared a plot of land that subsequently became a small car park.