Which military alliances lasted the longest in the entire known history?
Answer:
The longest known military alliance is that between the United Kingdom and Portugal, which officially began in 1373 and still stands today, a period of over 600 years.
Which military alliances lasted the longest in the entire known history?
Answer:
The longest known military alliance is that between the United Kingdom and Portugal, which officially began in 1373 and still stands today, a period of over 600 years.