May 18

May 18 is the 139th day of the year, and the American record for it runs from 1860 to 2019 — a span of 159 years. The entry that anchors it: U.S. president Franklin D. Roosevelt signed an act establishing the Tennessee Valley Authority to stimulate the economic development of the Tennessee Valley, 1933.

The antebellum decades brought the date closer to the country’s central argument. In 1860, United States presidential election — Abraham Lincoln wins the Republican Party presidential nomination over William H. Seward, who later becomes the United States Secretary of State. Three years on, in 1863, American Civil War — General Ulysses S. Grant led his Army of the Tennessee across the Big Black River in preparation for the Siege of Vicksburg.

Reconstruction and the years that followed added their own entries. In 1896, Ruling in the landmark decision Plessy v. Ferguson, the U.S. Supreme Court upheld the legality of racial segregation in public transportation under the "separate but equal" doctrine.

The early twentieth century brought industry, air travel and war to the date. In 1917, World War I — the Selective Service Act of 1917 is passed, giving the President of the United States the power of conscription. Ten years on, in 1927, Disgruntled school board treasurer Andrew Kehoe set off explosives with timers and a rifle, causing the Bath School disaster in the Bath Consolidated School in Michigan, killing 44 people in the deadliest mass murder in a school in United States history. Six years on, in 1933, U.S. president Franklin D. Roosevelt signed an act establishing the Tennessee Valley Authority to stimulate the economic development of the Tennessee Valley, a region particularly impacted by the Great Depression.

After 1945 the date reflects a country operating at global scale. In 1980, Mount St. Helens erupts in Washington, United States, killing 57 people and causing $3 billion in damage.

The most recent entries fall within living memory. In 2019, United States presidential election — Joe Biden launches his presidential campaign.

The date is also a birthday. Among the Americans born on May 18: Mathew Brady (1822), American photographer and journalist; Charles N. Sims (1835), American Methodist preacher and 3rd chancellor of Syracuse University; James Budd (1851), American lawyer and politician, 19th Governor of California; Gertrude Käsebier (1852), American photographer; and Francis Bellamy (1855), American minister and author.

May 18 is also a date of endings. Among the Americans who died on it: Jacques Marquette (1675), French-American missionary and explorer; Charles Hardy (1780), English-American admiral and politician, 29th Colonial Governor of New York; Elijah Craig (1808), American minister, inventor, and educator, invented Bourbon whiskey; and Richard McCarty (1844), American lawyer and politician.

The date carries formal observance as well — National Speech Pathologist Day (United States). What holds these 8 entries together is nothing more than the calendar, and nothing less. 159 years separate the earliest from the latest, and each was once simply the present day.