
September 30: Independence Day in Botswana (1966); Blasphemy Day
8P8C Ethernet connector
1399 – Henry Bolingbroke, Duke of Lancaster, deposed Richard II to become Henry IV of England, merging the Duchy of Lancaster with the crown.
1882 – The Vulcan Street Plant, the first hydroelectric central station to serve a system of private and commercial customers in North America, went on line in Appleton, Wisconsin, US.
1966 – Seretse Khama became the...