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