Decades: 1130s 1140s 1150s 1160s 1170s - 1180s - 1190s 1200s 1210s 1220s 1230s
Years: 1177 1178 1179 1180 1181 - 1182 - 1183 1184 1185 1186 1187
Births
Deaths
... that the connexion between the Pacific and Arctic Oceans was broader than it is now. Only two rivers are worthy of mention. The Tym, 250 m. long and navigable by rafts ...