Explorers sought new passages to the Far East in the far north for centuries before reaching the North Pole became an end in itself. It took until the twentieth century for the first person to reach the North Pole, but exactly who that was and when it happened…well, that’s a tricky question.
The first experimental steam-powered, self-propelled road vehicles appeared in France in the late 18th century. By the late 19th century, there were also vehicles powered by battery and by internal combustion. But in the early years of the twentieth century, the automobile comes into its own as a practical, economic form of transportation.
For many years, Mexico has been living under the rule of Porfirio Díaz. By the early twentieth century, Díaz is in his 70s and is growing increasingly out of touch. He will be deposed, and that will trigger the Mexican Revolution.
An episode on certain developments in astronomy in the early years of the twentieth century: the appearance of Comet Halley, of a second, brighter comet, the Tunguska event, and the debate on the possibility of life on Mars.
Before Theodore Roosevelt left office, he’d settled on William Howard Taft as his successor. The two men had been political allies and close friends. With Roosevelt’s support, Taft was elected President in 1908, but the two men would have a falling out soon afterward.