1139 in Portugal
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Events in the year 1139 in Portugal.
Incumbents
Events
gollark: ... no.
gollark: In this case it's symmetric about x=0, so the mean is just 0.
gollark: To work out the mean, you have to consider the entire distribution, by, as I said, doing integration™.
gollark: The "mean" is not where it's highest.
gollark: Why would they not be able to?
References
- Martins, Oliveira (1991). História de Portugal (in Portuguese). Lisbon: Guimarães Editores. p. 63.
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