On this day in 2017: A rare fossil of a Placoderm, an armor-plated fish, was found in Alpena, Michigan, exciting paleontologists at the University of Michigan. On this day in 1921: Walker Smith Jr., better known as boxer Sugar Ray Robinson, was born. Although his birth certificate says Georgia, he grew up in Detroit and became one of the greatest boxers, winning six world championships.

On this day in 1964: At Michigan Stadium, President Lyndon B. Johnson announced his plans for "The Great Society" during the University of Michigan’s commencement. This included Medicare, Medicaid, and the Civil Rights Act. On this day in 1844: Elijah McCoy, the son of escaped enslaved people, was born. His invention of a steam engine oil lubrication system led to the phrase "The Real McCoy."

On this day in 1926: The Ford Motor Company became one of the first in America to adopt a five-day, 40-hour workweek for automotive factory workers. This decision, made in 1922, aimed to promote a better home life for employees. Edsel Ford, company president, emphasized the importance of rest and recreation for a proper work-life balance.

On this day in 1935: During the Great Depression, the Regent Cafe in Jackson, Michigan offered $1,000 for couples to walk as long as they could. Tommy McGeer and Jackie Airgood walked for 88 days to win the prize. On this day in 1954: The first passenger flight, a DC6B "Great Lakes Clipper," took off from Wayne Major (now Detroit Metropolitan) Airport, bound for London.

On this day in 1835: The Michigan-Ohio border war flared up as Michigan militia confronted Ohio surveyors. The Detroit Free Press and Toledo Gazette exchanged heated articles. On this day in 2004: The final Oldsmobile Alero drove off the line at GM's Lansing Car Assembly plant, marking the end of the historic Oldsmobile brand. Only Cadillac CT4 & CT5 are now produced in Lansing.

On this day in 1887: The Michigan House expelled Representative Milo Dakin for attempting to bribe fellow lawmakers. This marked the first expulsion in Michigan's history. On this day in 1896: The Detroit Tigers played their first official game as part of the Western League, defeating the Columbus Senators 17 to 2 at their new stadium at the corner of Michigan and Trumbull.

On this day in 1764: The Provincial Grand Master of the Free and Accepted Masons in New York issued a charter to Michigan's first Masonic lodge in Detroit. The lodge, known as Zion Lodge, faced suspensions but always returned. On this day in 1833: The steamboat Michigan, the first steamer built in Detroit, was launched. It traveled 2,000 miles in its first season, visiting various ports on Lake Michigan.

On this day in 1901: Kalamazoo saloon owners agreed to stop offering extravagant free lunches, limiting them to cheese and crackers. On this day in 1865: Luther and LaFayette Baker from Lansing, Michigan, found John Wilkes Booth and David Herold in a barn after President Lincoln's assassination. Herold surrendered, but Booth did not. Luther Baker's account is in the Michigan Archives.

On this day in 1838: Mary T. Lathrap, known as the "Daniel Webster of Prohibition," was born in Jackson, Michigan. She was a teacher turned evangelist who championed temperance and co-founded Michigan's Women's Suffrage organization. Although she passed in 1895, her poem "Judge Softly" inspired the saying, "Before you judge someone, walk a mile in their shoes."

On this day in 1941: The first tank from Detroit's Arsenal of Democracy rolled off the assembly line at Chrysler. The 30-ton M3 tank was rapidly produced and tested in Warren, Michigan. Historians note Detroit's high production rates significantly impacted World War II. The M3 Grant model was used by the British army in North Africa. Detroit's arsenal produced over 22,000 tanks during the war.