Historic Event Jul 10 King George II authorises the Admiralty Board to seek maritime reprisals against Spain (War of Jenkin's Ear) King of Great Britain and Ireland George II Jul 22 Ottoman Empire defeats Austria at Crocyka (Krotzka) in Serbia and then successfully lays siege to Belgrade Jul 30 Caspar Wistar begins glass manufacturing in Allowaystown, New Jersey 1738 Historical Events by Year 1740