| 63091 | June 1 | Holiday and observance | Global Day of Parents (international) |
| 63092 | June 1 | Holiday and observance | Independence Day, celebrates the independence of Samoa from New Zealand in 1962. |
| 63093 | June 1 | Holiday and observance | Madaraka Day (Kenya) |
| 63094 | June 1 | Holiday and observance | National Maritime Day (Mexico) |
| 63095 | June 1 | Holiday and observance | National Tree Planting Day (Cambodia) |
| 63096 | June 1 | Holiday and observance | Neighbours' Day (International) |
| 63097 | June 1 | Holiday and observance | Pancasila Day (Indonesia) |
| 63098 | June 1 | Holiday and observance | President's Day (Palau) |
| 63099 | June 1 | Holiday and observance | The beginning of Crop over, celebrated until the first Monday of August. (Barbados) |
| 63100 | June 1 | Holiday and observance | Victory Day (Tunisia) |
| 63101 | June 1 | Holiday and observance | World Milk Day (international) |
| 63102 | June 2 | Event | 455 – Sack of Rome: Vandals enter Rome, and plunder the city for two weeks |
| 63103 | June 2 | Event | 1010 – The Battle of Aqbat al-Bakr took place in the context of the Fitna of al-Andalus resulting in a defeat for the Caliphate of Córdoba. |
| 63104 | June 2 | Event | 1098 – First Crusade: The first Siege of Antioch ends as Crusader forces take the city. The second siege would later start on June 7. |
| 63105 | June 2 | Event | 1615 – The first Récollet missionaries arrive at Quebec City, from Rouen, France. |
| 63106 | June 2 | Event | 1676 – Franco-Dutch War: France ensured the supremacy of its naval fleet for the remainder of the war with its victory in the Battle of Palermo. |
| 63107 | June 2 | Event | 1692 – Bridget Bishop is the first person to go to trial in the Salem witch trials in Salem, Massachusetts. Found guilty, she is hanged on June 10. |
| 63108 | June 2 | Event | 1763 – Pontiac's Rebellion: At what is now Mackinaw City, Michigan, Chippewas capture Fort Michilimackinac by diverting the garrison's attention with a game of lacrosse, then chasing a ball into the fort. |
| 63109 | June 2 | Event | 1774 – Intolerable Acts: The Quartering Act is enacted, allowing a governor in colonial America to house British soldiers in uninhabited houses, outhouses, barns, or other buildings if suitable quarters are not provided. |
| 63110 | June 2 | Event | 1793 – French Revolution: François Hanriot, leader of the Parisian National Guard, arrests 22 Girondists selected by Jean-Paul Marat, setting the stage for the Reign of Terror. |
| 63111 | June 2 | Event | 1805 – Napoleonic Wars: A Franco-Spanish fleet recaptures Diamond Rock, an uninhabited island at the entrance to the bay leading to Fort-de-France, from the British. |
| 63112 | June 2 | Event | 1835 – P. T. Barnum and his circus start their first tour of the United States. |
| 63113 | June 2 | Event | 1848 – The Slavic congress in Prague begins. |
| 63114 | June 2 | Event | 1855 – The Portland Rum Riot occurs in Portland, Maine. |
| 63115 | June 2 | Event | 1866 – Fenian raids: The Fenians are victorious over Canadian forces in both the Battle of Ridgeway and the Battle of Fort Erie. |
| 63116 | June 2 | Event | 1886 – U.S. President Grover Cleveland marries Frances Folsom in the White House, becoming the only president to wed in the executive mansion. |
| 63117 | June 2 | Event | 1896 – Guglielmo Marconi applies for a patent for his newest invention, the radio. |
| 63118 | June 2 | Event | 1909 – Alfred Deakin becomes Prime Minister of Australia for the third time. |
| 63119 | June 2 | Event | 1910 – Charles Rolls, a co-founder of Rolls-Royce Limited, becomes the first man to make a non-stop double crossing of the English Channel by plane. |
| 63120 | June 2 | Event | 1919 – Anarchists simultaneously set off bombs in eight separate U.S. cities. |