24th June » Samuel de Champlain discovers the mouth of the Saint John River (New Brunswick) known as Saint John River, site of Reversing Falls and the present day city of Saint John, New Brunswick, Canada.
1st September » Adi Granth, now known as Guru Granth Sahib, the holy scripture of Sikhs, was first installed at Harmandir Sahib.
9th October » Supernova 1604, the most recent supernova to be observed in the Milky Way.
Famous Birthdays in 1604
5th April » Charles IV, Duke of Lorraine (d. 1675)
10th May » Jean Mairet, French playwright (d. 1686)
8th July » Heinrich Albert (composer) named Heinrich Albert, German composer and poet (d. 1651)
12th August » Tokugawa Iemitsu, Japanese shogun (d. 1651)
13th September » Sir William Brereton, 1st Baronet, English commander and politician (d. 1661)