Kamehameha Day
On June 11, 1872, Hawaii celebrated its first Kamehameha Day, in honor of the king who united the Kingdom of Hawaii.
Government
The Arkansas River Navigation System
On June 5, 1971, the McClellan-Kerr Arkansas River Navigation System (MKARNS) was officially dedicated after decades of work. One of the largest civil works projects up to that time, it accounts for more than $1billion in trade transportation each for Arkansas and Oklahoma.
Birth of Gustaf Mannerheim
Baron Carl Gustaf Emil Mannerheim was born on June 4, 1867, in Askainen, Grand Duchy of Finland, Russian Empire. A soldier, statesman, Marshal and President of Finland, Mannerheim led his countrymen though multiple wars, and is sometimes called the father of modern Finland.
Birth of Patricia Roberts Harris
Patricia Roberts Harris was born on May 31, 1924, in Mattoon, Illinois. Harris achieved several firsts in her life. She was the first black woman to serve as an American ambassador, serve in the US Cabinet, be dean of a law school, and sit on the board of directors of a Fortune 500 company.
Kansas-Nebraska Act
On May 30, 1854, President Franklin Pierce signed the Kansas-Nebraska Act into law. The act had been created to settle tensions over slavery and open new lands for development, but instead only proved to create more division and move America closer to Civil War.
Birth of Frances E. Willis
American diplomat Frances E. Willis was born on May 20, 1899, in Metropolis, Illinois. She was a pioneer in her field – the first woman to become a career Foreign Service Officer, the first US ambassador to Switzerland, and the first female Career Ambassador, among other notable firsts.
Peace Officers Memorial Day
On May 15, 1963, the US observed its first Peace Officers Memorial Day. It’s a day that pays tribute to America’s local, state, and federal peace officers who have died or been injured in the line of duty.
First Native American Day
One of the first recorded celebrations of Native American Day was held on May 13, 1916, in New York. Other states adopted similar days later in the year before the first national celebrations were held in 1976. Today Native American Heritage Day is held in November, which is also American Indian and Alaska Native Heritage Month.
Birth of Horace Mann
Horace Mann was born on May 4, 1796, in Franklin, Massachusetts. Mann was a pioneering educational reformer who improved public education in his home state. Many of his ideas were quickly adopted by several other states.