988 - The city of Dublin is founded on the banks of the river Liffey.
1809 - Friedrich August von Quenstedt, German geologist (d. 1889)
1832 - Alvan Graham Clark, American telescope maker and astronomer (d. 1897)
1870 - Maurice Lugeon, Swiss geologist (nappism)
1886 - Eruption of Tarawera volcano destroys famous pink & white calcium carbonate hot-spring terraces (North Island, New Zealand)
1890 - Wyoming becomes 44th state of US (1st with female suffrage)
