Decades: 1560s 1570s 1580s 1590s 1600s - 1610s - 1620s - 1630s 1640s 1650s 1660s
Years: 1613 1614 1615 1616 1617 - 1618 - 1619 1620 1621 1622 1623
Events March 8 - Johannes Kepler discovers the third law of planetary motion (he soon rejects the idea after some initial calculations were made but latter on May 15 confirms the discovery). Start of the Thirty Years' War partly occasioned by the Defenestration of Prague The margraves of Brandenburg is granted Polish approval to inherit Ducal Prussia. The Synod of Dort is convened. Change of emperor of the Ottoman Empire from Mustafa I (1617-1623) to Osman II (1618-1622). May 23 - The Second Defenstration of Prague precipitates the Thirty Years' War. October 29 - English adventurer, writer, and courtier Sir Walter Raleigh is beheaded for allegedly conspiring against James I of England. Births January 1 - Duke Karl I Ludwig of Pfalz, Heidelberg, Germany Deaths October 29 - Sir Walter Raleigh\n