June 8 in History

The Prophet Muhammad died on June 8, 632 AD, in the arms of his wife Aisha in Medina, and the community he had built nearly tore itself apart over the question of who would lead it. Within hours of Muhammad’s death, a meeting at the Saqifah, a roofed courtyard in Medina, produced a successor: Abu Bakr al-Siddiq, Muhammad’s closest companion, father-in-law, and one of the first converts to Islam. The selection was neither unanimous nor peaceful, and its contested nature planted the seed of Islam’s deepest and most enduring division. Abu Bakr was approximately sixty years old, a prosperous Meccan merchant who had spent his fortune supporting Muhammad’s mission during its most vulnerable years. He had accompanied Muhammad on the hijra, the migration from Mecca to Medina in 622 that marks the beginning of the Islamic calendar. When Muhammad fell ill in his final weeks, Abu Bakr led the community prayers in his place, a gesture that many interpreted as an implicit designation of succession. The Saqifah meeting was dominated by three factions: the Ansar (Medinan converts), the Muhajirun (Meccan emigrants), and the supporters of Ali ibn Abi Talib, Muhammad’s cousin and son-in-law. Umar ibn al-Khattab, a forceful Meccan leader, seized Abu Bakr’s hand and pledged allegiance, prompting others to follow. Ali’s partisans did not immediately accept the result. The disagreement over whether leadership should follow companionship or bloodline eventually split Islam into Sunni and Shia traditions, a rupture that shapes the politics of the Middle East fourteen centuries later. Abu Bakr’s caliphate lasted only two years before his death in 634, but in that time he consolidated Muslim control over the Arabian Peninsula. Several tribes attempted to break from Medina after Muhammad’s death, and Abu Bakr waged the Ridda Wars to suppress the revolts and maintain the unity of the nascent Islamic state. He also launched the military campaigns into Syria and Iraq that, under his successors Umar and Uthman, would create an empire stretching from North Africa to Central Asia within a single generation.

Stonewall Jackson’s Shenandoah Valley Campaign was a masterclass in using speed to defeat superior numbers. At the Battle of Cross Keys on June 8, 1862, Confederate forces under General Richard Ewell held off a Union advance by General John C. Fremont near Harrisonburg, Virginia, buying Jackson the time he needed to concentrate his scattered forces. The engagement was the second-to-last battle in a campaign that had pinned down 60,000 Union troops with an army of 17,000. Jackson had spent the previous month marching his infantry so relentlessly that they earned the nickname "foot cavalry." In thirty days, they covered nearly 400 miles through the Shenandoah Valley, fighting and winning five battles against three separate Union forces. The campaign’s objective was not to conquer territory but to prevent Union reinforcements from reaching General George McClellan, who was advancing on Richmond with the Army of the Potomac. Every Federal soldier chasing Jackson through the Valley was a soldier unavailable for the Peninsula Campaign. At Cross Keys, Ewell positioned his 5,000 men on a ridge south of the village and waited for Fremont’s 10,500-man force to attack. Fremont advanced cautiously, sending his brigades forward piecemeal rather than in a coordinated assault. General Isaac Trimble’s Confederate brigade counterattacked on the Union left, driving the Federals back and capturing a battery of artillery. Fremont, unnerved by the resistance, suspended his advance and did not renew the fight. The following day, Jackson defeated a second Union force under General James Shields at the Battle of Port Republic, then slipped his army out of the Valley and marched east to join General Robert E. Lee for the Seven Days Battles outside Richmond. The Valley Campaign achieved everything Lee needed. McClellan’s reinforcements never arrived, the Peninsula Campaign stalled, and Jackson emerged as the most feared commander in the Confederate army. Cross Keys was a holding action fought by a subordinate, but it was essential to the campaign’s success.

British, Australian, Indian, and Free French forces crossed the border into Vichy French-held Syria and Lebanon on June 8, 1941, in Operation Exporter. The invasion was ordered to prevent Nazi Germany from using the Levant as a staging ground for attacks on the Suez Canal and British-controlled Iraq. Vichy French forces, numbering roughly 45,000, fought back with unexpected ferocity. What the Allies had expected to be a brief campaign lasted five weeks and cost over 4,600 Allied casualties. The political context was tangled. France had fallen to Germany in June 1940, and the Vichy government controlled France’s overseas colonies under a collaborationist arrangement with Berlin. Syria and Lebanon, administered by France under a League of Nations mandate since 1920, remained loyal to Vichy. In May 1941, German aircraft used Syrian airfields to supply an anti-British coup in Iraq, and Vichy High Commissioner Henri Dentz permitted German and Italian planes to refuel at Syrian bases. Britain could not tolerate an Axis presence on the eastern Mediterranean flank. The fighting was bitter and politically uncomfortable. Free French forces under General Paul Legentilhomme fought Vichy French troops in engagements where both sides spoke the same language, wore similar uniforms, and had served together before the fall of France. Australian troops suffered heavy casualties at the Litani River crossing and in the drive toward Beirut. The Royal Navy clashed with Vichy destroyers off the coast, sinking two. Damascus fell on June 21 after fierce resistance. Beirut was surrounded by July 9. The Vichy garrison requested an armistice on July 12, ending the campaign. Under the armistice terms, Vichy soldiers were given the choice of joining the Free French or repatriation to France. The vast majority chose repatriation, a humiliation for Charles de Gaulle. Syria and Lebanon were placed under Free French administration, with British promises of eventual independence that De Gaulle resented and resisted. Lebanon declared independence in 1943; Syria followed in 1946. Both dates marked the beginning of the end of French influence in the Middle East.

A fissure in the earth 27 kilometers long opened in southeastern Iceland on June 8, 1783, and did not stop erupting for eight months. The Laki volcanic system produced approximately 14 cubic kilometers of basaltic lava and released an estimated 120 million tons of sulfur dioxide into the atmosphere. The eruption killed over 9,000 Icelanders, roughly a quarter of the island’s population, and its atmospheric effects were felt across the Northern Hemisphere for years. The lava flows were catastrophic but survivable. The gas cloud was not. Sulfur dioxide and hydrofluoric acid rained down on Iceland’s pastures, poisoning the grass that sustained the island’s sheep and cattle. Over fifty percent of Iceland’s livestock died of fluorosis, a condition in which fluorine compounds destroy teeth and bones. With no animals and no hay, the human population starved. The period is known in Icelandic history as the Moduhardindi, the "Mist Hardships." The Danish government, which ruled Iceland, debated evacuating the entire population to the mainland. The eruption’s reach extended far beyond Iceland. A toxic haze drifted across Europe during the summer of 1783, causing respiratory illness, crop failures, and unusually high death rates. Benjamin Franklin, serving as American ambassador in Paris, observed the haze and speculated that a volcanic eruption in Iceland was responsible, one of the earliest scientific connections between volcanism and climate. Parish records across England, France, and the Low Countries show elevated mortality during the summer and fall. The sulfur aerosols Laki injected into the stratosphere cooled global temperatures by an estimated one to three degrees Celsius over the following years. Crop failures across Europe contributed to the economic hardship and popular discontent that helped trigger the French Revolution in 1789, though historians debate the strength of this connection. What is not debated is the scale: Laki was one of the largest volcanic events in recorded history, and its effects demonstrated that a single eruption in a remote corner of the North Atlantic could reshape weather patterns and food supplies across an entire continent.