Archaeopteryx (1861): The Fossil Linking Birds and Dinosaurs
The first Archaeopteryx fossils revealed a Late Jurassic animal with both reptile and bird features, later recognised as key evidence that birds descend from dinosaurs.
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The first Archaeopteryx fossils revealed a Late Jurassic animal with both reptile and bird features, later recognised as key evidence that birds descend from dinosaurs.
The insurrection was defeated; its leaders were executed or exiled, and Russia abolished most remaining Polish autonomy.
A Geneva committee founded in 1863 became the International Committee of the Red Cross, and the 1864 Geneva Convention made care for wounded soldiers a legal duty.
The world's first underground passenger railway opened in London and carried millions in its first year, beginning the London Underground.
Danish defeat; by the Treaty of Vienna Denmark ceded Schleswig, Holstein and Lauenburg to Prussia and Austria.
The bridge, begun in 1831 and abandoned in 1843, was completed by engineers of the Institution of Civil Engineers as a memorial to Brunel and opened in 1864.
Maxwell's theory unified electricity, magnetism and light and predicted electromagnetic waves, confirmed by Heinrich Hertz in 1887–1888.
Lister's carbolic acid method sharply reduced deaths from wound infection and established the principle that germs must be kept out of surgical wounds.
Mendel described regular patterns of inheritance carried by discrete factors; his work was largely ignored until its rediscovery in 1900 founded modern genetics.
Decisive Prussian victory that ended the Austro-Prussian War in Prussia's favour and excluded Austria from German affairs.
The rising was quickly suppressed, but the Manchester executions and the Clerkenwell explosion kept the Irish question at the centre of British politics.
Maximilian and generals Miguel Miramón and Tomás Mejía were shot by a Republican firing squad, ending the Second Mexican Empire and restoring Benito Juárez's republic.