List of 1618 Major News Events in History, Most Important Historical Events in 1618
| Date | Event | 
|---|---|
| May 15, 1618 | Johannes Kepler confirms his previously rejected discovery of the third law of planetary motion (he first discovered it on March 8 but soon rejected the idea after some initial calculations were made). | 
| May 23, 1618 | The Second Defenestration of Prague precipitates the Thirty Years' War. | 
| June 14, 1618 | Joris Veseler prints the first Dutch newspaper Courante uyt Italien, Duytslandt, &c. in Amsterdam (approximate date). | 
| July 31, 1618 | Maurice, Prince of Orange disbands the waardgelders militia in Utrecht, a pivotal event in the Remonstrant/Counter-Remonstrant tensions. | 
| September 18, 1618 | The twelfth baktun in the Mesoamerican Long Count calendar begins. | 
| October 29, 1618 | English adventurer, writer, and courtier Sir Walter Raleigh is beheaded for allegedly conspiring against James I of England. |