Opioid selling Indian opium which was smuggled into China in defiance of Chinese government bans. This led to the First (1839–1842) and Second Opium Wars (1856–1860) between China and Britain. In the 19th century, two major scientific advances were made that had far-reaching effects. Around 1804, German pharmacist Friedrich Sertürner isolated morphine from opium. He described its crystallization, structure, and pharmacological properties in a well-received paper in 1817. Morphine was the first alkaloid to be isolated from any medicinal plant, the beginning of modern scientific drug discovery. The second advance, nearly fifty years later, was the refinement of the hypodermic needle
China–India relations claimed by both China as well as India's ally Bhutan. On 18 June 2017, around 270 Indian troops, with weapons and two bulldozers, entered Doklam to stop the Chinese troops from constructing the road. Among other charges, China accused India of illegal intrusion into its territory, across what it called the mutually agreed China-India boundary, and violation of its territorial sovereignty and UN Charter. India accused China of changing the status quo in violation of a 2012 understanding between the two governments regarding the tri-junction boundary points and causing "security concerns", which were widely understood as at its concerns with