17 September in history

Choose only one to tell others.
1683 Antoine van Leeuwenhoek peered down his telescope and saw bacteria. We are not alone!
Tony bugs.jpg
1787 The United States Constitution was ratified with the three-fifths clause and other compromises. Never been to Philadelphia.
threefifthsclause.jpg
1835 Charles Darwin arrived at the Galapagos Islands and sat down to think.
Glalapagos Islands.jpg
1900 Queen Victoria assented to the Commonwealth of Australia Act – been there!
Victoria assent.gif
1961 Dag Hammarskjold died in a plane crash. There is a review of a biography of the priest of peace elsewhere on this blog.
Dag.jpg