| 69481 | June 18 | Event | 1684 – The charter of the Massachusetts Bay Colony is revoked via a scire facias writ issued by an English court. |
| 69482 | June 18 | Event | 1757 – Battle of Kolín between Prussian forces under Frederick the Great and an Austrian army under the command of Field Marshal Count Leopold Joseph von Daun in the Seven Years' War. |
| 69483 | June 18 | Event | 1767 – Samuel Wallis, an English sea captain, sights Tahiti and is considered the first European to reach the island. |
| 69484 | June 18 | Event | 1778 – American Revolutionary War: British troops abandon Philadelphia. |
| 69485 | June 18 | Event | 1799 – Action of 18 June 1799: A frigate squadron under Rear-admiral Perrée is captured by the British fleet under Lord Keith |
| 69486 | June 18 | Event | 1812 – War of 1812: The U.S. Congress declares war on Great Britain, Canada, and Ireland. |
| 69487 | June 18 | Event | 1815 – Napoleonic Wars: The Battle of Waterloo results in the defeat of Napoleon Bonaparte by the Duke of Wellington and Gebhard Leberecht von Blücher forcing him to abdicate the throne of France for the second and last time. |
| 69488 | June 18 | Event | 1830 – French invasion of Algeria. |
| 69489 | June 18 | Event | 1858 – Charles Darwin receives a paper from Alfred Russel Wallace that includes nearly identical conclusions about evolution as Darwin's own, prompting Darwin to publish his theory. |
| 69490 | June 18 | Event | 1859 – First ascent of Aletschhorn, second summit of the Bernese Alps. |
| 69491 | June 18 | Event | 1873 – Susan B. Anthony is fined $100 for attempting to vote in the 1872 presidential election. |
| 69492 | June 18 | Event | 1887 – The Reinsurance Treaty between Germany and Russia is signed. |
| 69493 | June 18 | Event | 1900 – Empress Dowager Longyu of China orders all foreigners killed, including foreign diplomats and their families. |
| 69494 | June 18 | Event | 1908 – Japanese immigration to Brazil begins when 781 people arrive in Santos aboard the ship Kasato-Maru. |
| 69495 | June 18 | Event | 1908 – The University of the Philippines is established. |
| 69496 | June 18 | Event | 1923 – Checker Taxi puts its first taxi on the streets. |
| 69497 | June 18 | Event | 1928 – Aviator Amelia Earhart becomes the first woman to fly in an aircraft across the Atlantic Ocean (she is a passenger Wilmer Stultz is the pilot and Lou Gordon the mechanic). |
| 69498 | June 18 | Event | 1930 – Groundbreaking ceremonies for the Franklin Institute are held. |
| 69499 | June 18 | Event | 1935 – Police in Vancouver, British Columbia, Canada clash with striking longshoremen, resulting in a total 60 injuries and 24 arrests. |
| 69500 | June 18 | Event | 1940 – Appeal of 18 June by Charles de Gaulle. |
| 69501 | June 18 | Event | 1940 – "Finest Hour" speech by Winston Churchill. |
| 69502 | June 18 | Event | 1945 – William Joyce ("Lord Haw-Haw") is charged with treason for his pro-German propaganda broadcasting during World War II. |
| 69503 | June 18 | Event | 1946 – Dr. Ram Manohar Lohia, a Socialist, calls for a Direct Action Day against the Portuguese in Goa. A road is named after this date in Panjim. |
| 69504 | June 18 | Event | 1948 – Columbia Records introduces the long-playing record album in a public demonstration at the Waldorf-Astoria Hotel in New York, New York. |
| 69505 | June 18 | Event | 1953 – The Egyptian Revolution of 1952 ends with the overthrow of the Muhammad Ali dynasty and the declaration of the Republic of Egypt. |
| 69506 | June 18 | Event | 1953 – A United States Air Force C-124 crashes and burns near Tachikawa, Japan, killing 129. |
| 69507 | June 18 | Event | 1954 – Pierre Mendès France becomes Prime Minister of France. |
| 69508 | June 18 | Event | 1965 – Vietnam War: The United States uses B-52 bombers to attack National Liberation Front guerrilla fighters in South Vietnam. |
| 69509 | June 18 | Event | 1971 – President Richard Nixon declares that illegal drugs are "public enemy number one", which becomes popularized as the "War on Drugs". |
| 69510 | June 18 | Event | 1972 – Staines air disaster: One hundred eighteen are killed when a BEA H.S. Trident crashes two minutes after take off from London Heathrow Airport. |