This is the 13358th most frequent Russian word.
наблюдалось
"Was observed" or "was noticed."
Usage denotes a natural phenomenon being observed.
Вчера вечером наблюдалось яркое северное сияние.
Yesterday evening, a vivid northern lights display was observed.
Usage indicates a medical observation regarding a condition.
У пациента наблюдалось повышение температуры.
The patient exhibited an increase in temperature.
Usage implies a critical observation of errors in context.