| 1416 |
|
Jerome of Prague is burned as a heretic by the Church. |
| 1431 |
|
Joan of Arc is burned at the stake by the English. |
| 1527 |
|
The University of Marburg is founded in Germany. |
| 1539 |
|
Hernando de Soto lands in Florida with 600 soldiers in search of gold. |
| 1783 |
|
The first American daily newspaper, The Pennsylvania Evening Post, begins publishing in Philadelphia. |
| 1814 |
|
The First Treaty of Paris is declared, returning France to its 1792 borders. |
| 1848 |
|
William Young patents the ice cream freezer. |
| 1854 |
|
The Kansas-Nebraska Act repeals the Missouri Compromise. |
| 1859 |
|
The Piedmontese army crosses the Sesia River and defeats the Austrians at Palestro. |
| 1862 |
|
Union General Henry Halleck enters Corinth, Mississippi. |
| 1868 |
|
Memorial Day begins when two women place flowers on both Confederate and Union graves. |
| 1889 |
|
The brassiere is invented. |
| 1912 |
|
U.S. Marines are sent to Nicaragua to protect American interests. |
| 1913 |
|
The First Balkan War ends. |
| 1921 |
|
The U.S. Navy transfers the Teapot Dome oil reserves to the Department of the Interior. |
| 1942 |
|
The Royal Air Force launches the first 1,000 plane raid over Germany. |
| 1971 |
|
NASA launches Mariner 9, the first satellite to orbit Mars. |
Born on May 30
|
| 1672 |
|
Peter I (the Great) czar of Russia. |
| 1867 |
|
Arthur Vining Davis, American industrialist. |
| 1903 |
|
Countee Cullen, American poet. |
| 1908 |
|
Hannes Alfvén, Swedish, Nobel Prize-winning astrophysicist. |
| 1908 |
|
Mel Blanc, American entertainer, vocal artist. |
| 1909 |
|
Benny Goodman, musician, big band leader. |
| 1916 |
|
Joseph W. Kennedy, scientist, co-discoverer of plutonium. |
