Paul Kruger, the President of the South African Republic, issued an ultimatum on 9 October 1899, giving the British government 48 hours to withdraw all their troops from the borders of both the Transvaal and the Orange Free State, albeit Kruger had ordered Commandos to the Natal border in early September and Britain only had troops in garrison towns far from the border, failing which the Transvaal, allied to the Orange Free State, would declare war on the British government.
Revolutionaries intent on overthrowing the Qing dynasty had built bombs, and on 9 October, one accidentally exploded. Sun Yat-sen himself had no direct part in the uprising and was traveling in the United States at the time in an effort to recruit more support from among overseas Chinese. The Qing Viceroy of Huguang, Rui Cheng , tried to track down and arrest the revolutionaries.
During this time Tito wrote articles on the duties of imprisoned communists and on trade unions. He was in Ljubljana when King Alexander was assassinated by the Croatian nationalist Ustaše organisation in Marseille on 9 October 1934.
Bormann signed the decree of 9 October 1942 prescribing that the permanent Final Solution in Greater Germany could no longer be solved by emigration, but only by the use of "ruthless force in the special camps of the East", that is, extermination in Nazi death camps.
At the fourth Moscow Conference (codename Tolstoy) from 9 to 19 October 1944, Churchill and Eden met Stalin and Molotov. This conference has gained notoriety for the so-called "Percentages agreement" in which Churchill and Stalin effectively agreed on the post-war fate of the Balkans.
On October 9, 1945, General Leclerc arrived in Saigon, accompanied by French Colonel Massu's March Group (Groupement de marche). Leclerc's primary objectives were to restore public order in south Vietnam and to militarize Tonkin (north Vietnam). Secondary objectives were to wait for French backup in view to take back Chinese-occupied Hanoi, then to negotiate with the Việt Minh officials.
October 9, Bolivian President René Barrientos ordered that Guevara be killed. The order was relayed to the unit holding Guevara by Félix Rodríguez reportedly despite the United States government's desire that Guevara be taken to Panama for further interrogation.
Wailers released the album Burnin' which included the song "I Shot the Sheriff". Eric Clapton was given the album by his guitarist George Terry in the hope that he would enjoy it. Clapton was suitably impressed and chose to record a cover version of "I Shot the Sheriff".
On 9 October 1989, the police and army units were given permission to use force against those assembled, but this did not deter the church service and march from taking place, which gathered 70,000 people. Many of those people started to cross into East Berlin, without a shot being fired.
North Korea has a military nuclear weapons program. North Korea showed an interest in developing nuclear weapons since the 1950s. North Korea has also stockpiled a significant quantity of chemical and biological weapons.
On 9 October 2016, unidentified insurgents attacked three Burmese border posts along Myanmar's border with Bangladesh, starting a new armed conflict in northern Rakhine State. According to government officials in the border town of Maungdaw, the attackers looted several dozen firearms and ammunition from the border posts, and brandished knives and homemade slingshots that fired metal bolts. The attacks left nine border officers and "several insurgents" dead.