| 98461 | August 30 | Event | 1873 – Austrian explorers Julius von Payer and Karl Weyprecht discover the archipelago of Franz Josef Land in the Arctic Sea. |
| 98462 | August 30 | Event | 1896 – Philippine Revolution: After Spanish victory in the Battle of San Juan del Monte, eight provinces in the Philippines are declared under martial law by the Spanish Governor-General Ramón Blanco y Erenas. |
| 98463 | August 30 | Event | 1897 – The town of Ambiky is captured by France from Menabe in Madagascar. |
| 98464 | August 30 | Event | 1909 – Burgess Shale fossils are discovered by Charles Doolittle Walcott. |
| 98465 | August 30 | Event | 1914 – World War I: Germans defeat the Russians in the Battle of Tannenberg |
| 98466 | August 30 | Event | 1917 – Vietnamese prison guards led by Trịnh Văn Cấn mutiny at the Thái Nguyên penitentiary against local French authority. |
| 98467 | August 30 | Event | 1918 – Fanni Kaplan shoots and seriously injures Bolshevik leader Vladimir Lenin. This, along with the assassination of Bolshevik senior official Moisei Uritsky days earlier, prompts the decree for Red Terror. |
| 98468 | August 30 | Event | 1922 – Battle of Dumlupınar: The final battle in the Greco-Turkish War ("Turkish War of Independence"). |
| 98469 | August 30 | Event | 1940 – The Second Vienna Award reassigns the territory of Northern Transylvania from Romania to Hungary. |
| 98470 | August 30 | Event | 1942 – World War II: The Battle of Alam el Halfa begins. |
| 98471 | August 30 | Event | 1945 – Hong Kong is liberated from Japan by British Armed Forces. |
| 98472 | August 30 | Event | 1945 – The Supreme Commander of the Allied Forces, General Douglas MacArthur lands at Atsugi Air Force Base. |
| 98473 | August 30 | Event | 1945 – The Allied Control Council, governing Germany after World War II, comes into being. |
| 98474 | August 30 | Event | 1945 – The August Revolution ends as Emperor Bảo Đại abdicates, ending the Nguyễn dynasty. |
| 98475 | August 30 | Event | 1956 – The Lake Pontchartrain Causeway opens. |
| 98476 | August 30 | Event | 1962 – Japan conducts a test of the NAMC YS-11, its first aircraft since World War II and its only successful commercial aircraft from before or after the war. |
| 98477 | August 30 | Event | 1963 – The Moscow–Washington hotline between the leaders of the U.S.A. and the Soviet Union goes into operation. |
| 98478 | August 30 | Event | 1967 – Thurgood Marshall is confirmed as the first African American Justice of the Supreme Court of the United States. |
| 98479 | August 30 | Event | 1974 – A Belgrade–Dortmund express train derails at the main train station in Zagreb killing 153 passengers. |
| 98480 | August 30 | Event | 1974 – A powerful bomb explodes at the Mitsubishi Heavy Industries headquarters in Marunouchi, Tokyo, Japan. Eight are killed, 378 are injured. Eight left-wing activists are arrested on May 19, 1975 by Japanese authorities. |
| 98481 | August 30 | Event | 1981 – President Mohammad-Ali Rajai and Prime Minister Mohammad-Javad Bahonar of Iran are assassinated in a bombing committed by the People's Mujahedin of Iran. |
| 98482 | August 30 | Event | 1984 – STS-41-D: The Space Shuttle Discovery takes off on its maiden voyage. |
| 98483 | August 30 | Event | 1991 – Dissolution of the Soviet Union: Azerbaijan declares independence from Soviet Union. |
| 98484 | August 30 | Event | 1992 – The 11-day Ruby Ridge standoff ends with Randy Weaver surrendering to federal authorities. |
| 98485 | August 30 | Event | 1995 – Bosnian War: NATO launches Operation Deliberate Force against Bosnian Serb forces. |
| 98486 | August 30 | Event | 1997 – Diana, Princess of Wales, her companion Dodi Fayed and driver Henri Paul die in a car crash in Paris. |
| 98487 | August 30 | Event | 1998 – Second Congo War: Armed forces of the Democratic Republic of the Congo (DRC) and their Angolan and Zimbabwean allies recapture Matadi and the Inga dams in the western DRC from RCD and Rwandan troops. |
| 98488 | August 30 | Event | 1999 – East Timor votes for independence from Indonesia in a referendum. |
| 98489 | August 30 | Event | 2003 – While being towed across the Barents Sea, the de-commissioned Russian submarine K-159 sinks, taking nine of her crew and 800 kg of spent nuclear fuel with her. |
| 98490 | August 30 | Event | 2014 – Prime Minister of Lesotho Tom Thabane flees to South Africa as the army allegedly stages a coup. |