A moment (momentum) was a medieval unit of time. The earliest reference to it is from the 8th century and since 1 hour = 4 points = 5 lunar points = 10 minutes = 15 parts = 40 moments, one moment corresponds to 90 seconds [source, read more: ow.ly/9mYL30n9At8]

Everyone knows Leonardo’s Mona Lisa very well, but most of the people may have missed that he wasn’t the only one who painted her: one of his students painted this version, currently on display at the Prado museum in Madrid in far better conditions

Novgorodin ruhtinas Vladimir Jaroslavitš teki v. 1042 sotaretken Suomeen, joka taitaa olla varhaisin dokumentoitu sotaretki itänaapurista.

Siitä on nyt 980 vuotta.

Muita vuosia jolloin ollaan tultu sotaretkelle taas on 1123, 1186, 1191, 1226, 1256, 1278, 1292, 1294, 1295, 1311, 1318, 1350, 1377, 1411, 1479, 1495, 1516, 1713, 1808 ja 1939.