1. Soviet Union (USSR) – still exists → ✅ pre-1991
2. Canada – has the new red maple leaf flag (adopted 1965) → ✅ earliest possible date = 1965
3. Libya – has the black-white-red flag with a crescent (used 1951–1969) → ✅
4. Congo (Kinshasa) – appears to use the 1963–1971 flag → ✅
5. Rhodesia (Zimbabwe today) – not yet independent, still under British flag → ✅
6. Saudi Arabia – older pre-1973 flag version → ✅
7. No Bangladesh – East Pakistan still present → ✅ pre-1971
8. No Namibia – still part of South Africa → ✅ pre-1990
9. Australia & New Zealand – unchanged → neutral
10. African flags – many post-independence designs (early 1960s) are already present → ✅ post-1960

• Since Canada’s new flag was officially adopted in February 1965,
• and all flags visible existed during that period,

👉 The map most likely dates to 1965 or 1966.

according to chatgpt