On the Origin of Species (1859): Darwin's Theory of Evolution
Darwin's book convinced most scientists within two decades that species evolve, and made natural selection the central idea of modern biology.
Era · c. 1800 – 1945
Industry, science and global conflict: the century and a half that built the modern world.
Darwin's book convinced most scientists within two decades that species evolve, and made natural selection the central idea of modern biology.
The Kingdom of the Two Sicilies collapsed; after plebiscites, Sicily and Naples were annexed to the Kingdom of Sardinia, soon the Kingdom of Italy.
The imperial gardens were looted by British and French troops and burned by the British, and the Qing court signed the Convention of Peking days later.
About 23 million privately owned serfs gained personal freedom and land allotments, but on terms that left many peasants with less land and decades of redemption debt.
Confederate victory; the Union army retreated in disorder to Washington, and both sides realised the war would be long.
After 34 hours of bombardment the Union garrison surrendered and evacuated the fort on 14 April; Lincoln's call for 75,000 volunteers followed and four more states seceded.
China gained arsenals, shipyards, mines, telegraphs and a modern navy, but defeat by Japan in 1894-1895 exposed the limits of reform without deeper institutional change.
Decisive Confederate victory; the Union Army of the Potomac lost about 12,600 men and withdrew across the Rappahannock River.
About 1.6 million homestead claims were eventually approved, transferring some 270 million acres of public land, roughly a tenth of the United States, to private owners.
Mexican victory; the French assault on the hill forts of Puebla was repulsed, delaying the French advance on Mexico City by about a year.
Union victory; after a near-defeat on the first day, Grant and Buell drove the Confederates back to Corinth, Mississippi, at a cost of about 23,700 casualties.
Tactically inconclusive but a strategic Union success: Lee withdrew to Virginia, and Lincoln issued the preliminary Emancipation Proclamation five days later.