May 31 links the making of cultural landmarks with a decisive moment of conflict. In 1819, Walt Whitman was born; his poetry collection *Leaves of Grass* would help make him one of America’s most important poets, bridging transcendentalism and realism. Forty years later, in 1859, the Great Bell of London’s Palace of Westminster—widely known as Big Ben—began keeping time. One event marks the start of a writer’s life, the other the steady public measurement of time: both invite us to consider how people give shape to experience, through words or through a shared clock.
The date also recalls the scale and cost of war. In 1916, British and German fleets clashed at the Battle of Jutland, the largest naval battle of World War I. Together, these entries span nearly a century and move from an individual birth to an instrument of civic routine to a major military confrontation. May 31 falls at the edge of spring and the beginning of summer in the Northern Hemisphere, a seasonal threshold echoed by this list’s sense of transition. Across its three events, the day holds creation, continuity, and upheaval in close company.