The temperature on July 6, 1860 was about 13.7 °C. There was 1 mm of rain. The air pressure was 12 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 80%. Source: KNMI
From March 18, 1858 till February 23, 1860 the Netherlands had a cabinet Rochussen - Van Bosse with the prime ministers J.J. Rochussen (conservatief-liberaal) and Mr. P.P. van Bosse (liberaal).
From February 23, 1860 till March 14, 1861 the Netherlands had a cabinet Van Hall - Van Heemstra with the prime ministers Mr. F.A. baron Van Hall (conservatief-liberaal) and Mr. S. baron Van Heemstra (liberaal).
March 5 » Parma, Tuscany, Modena and Romagna vote in referendums to join the Kingdom of Sardinia.
May 5 » Giuseppe Garibaldi sets sail from Genoa, leading the expedition of the Thousand to conquer the Kingdom of the Two Sicilies and giving birth to the Kingdom of Italy.
September 21 » Second Opium War: An Anglo-French force defeats Chinese troops at the Battle of Palikao.
October 18 » The Second Opium War finally ends at the Convention of Peking with the ratification of the Treaty of Tientsin, an unequal treaty.
December 26 » The first ever inter-club English association football match takes place between Hallam and Sheffield football clubs in Sheffield.
December 29 » The launch of HMSWarrior, with her combination of screw propeller, iron hull and iron armour, renders all previous warships obsolete.
When copying data from this family tree, please include a reference to the origin: B.H. Andreae, "Family tree Andreae", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-andreae/R297.php : accessed October 24, 2026), "Hendrik Gerrit Jan Hamer (1860-????)".
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