German physicist Albert Einstein explains the photoelectric effect.
Content Index
The passage of the first forest regulations in India under British rule leads to the establishment of the Imperial Forest Service.
The Erie Canal was the first transportation system between the eastern seaboard and the western interior of the United States that did not require portage.
The Act is the first British legislation to encompass all of India’s forests and waterways.
The agreement between Canada and the United States concerns the quality of the Great Lakes Water Basin.
Scientists at Columbia University find that, as a result of nuclear testing, the radioactive isotope Strontium 90 could likely be detected in every human on earth.
Princess Augusta and Lord Bute establish the first botanic garden at Kew.
Fossey becomes a leading expert on mountain gorillas and advocates for their protection.
Abraham Darby introduces coke to the Coalbrookdale blast furnace, leading to a major breakthrough for the production of iron.
The Persian scholar Abu al-Hasan Ali ibn al-Husayn ibn Ali al-Mas’udi (c. 896-956) is among the first to record the use of simple vertical-shaft windmills in Sistan, Persia.