The temperature on June 30, 1869 was about 17.3 °C. The air pressure was 6 kgf/m2 and came mainly from the north-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 63%. Source: KNMI
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
March 24 » The last of Titokowaru's forces surrendered to the New Zealand government, ending his uprising.
April 6 » Celluloid is patented.
May 26 » Boston University is chartered by the Commonwealth of Massachusetts.
August 29 » The Mount Washington Cog Railway opens, making it the world's first mountain-climbing rack railway.
October 5 » The Saxby Gale devastates the Bay of Fundy region in Canada.
November 11 » The Victorian Aboriginal Protection Act is enacted in Australia, giving the government control of indigenous people's wages, their terms of employment, where they could live, and of their children, effectively leading to the Stolen Generations.
When copying data from this family tree, please include a reference to the origin: T. Nolet, "Family tree Ruiter, v. Leeuwen, Vertelman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ruiter/I158.php : accessed January 21, 2026), "Jan Hermenszoon Bakker (????-1869)".
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