Yes. In the case of the USSR countries, I used the USSR. West and East Germany fall in the same decade. I forgot to include the Yemens -- North Yemen, if pictured, would be green and South Yemen blue.Are Greenland and Denmark on purpose different colour?
I do believe you're right.Adoption of Color Television.
Bingo.Adoption of Color Television.
Also Monaco and, depending on how you define things, Gibralter.
Cyprus as well depending on how you recognize Nothern Cyprus and the Sovereign Base Areas (which I believed aren't considered Cypriot territory, unlike Guantanimo, which is Cuban soil leased by the US).
The waterway on the border with Malaysia is scarcely 500 metres wide in places, and there are two short border bridges across it between Singapore and Malaysia. So it's a border but not a true land border.Singapore is an island and has no borders.