https://en.wikipedia.org/wiki/1740s
January–March. January 1 – The Verendrye brothers, probably Louis-Joseph and François de La Vérendrye, become the first white persons to see the Rocky Mountains from the eastern side (the Spanish conquistadors had seen the Rockies from the west side).; January 8 – King Augustus III of Poland, acting in his capacity as Elector of Saxony, signs an agreement with Austria pledging …