|
|
| YEAR | DATE | EVENT | GOVERNOR |
| 1638 | Swedish colony of New Sweden | Peter Minuit | |
| 1638 | Jost van Bogardt | ||
| 1640 | Peter Hollandaer Ridder | ||
| 1643 | february | Johan Björnsson Printz | |
| 1653 | Johan Papegoga | ||
| 1653 | Johan Classon Rising | ||
| 1655 | 15 september | Part of Dutch colony of New York | |
| 1664 | 1 october | UK occupation | |
| 1682 | Part of Pennsylvania | ||
| 1776 | 4 july | Delaware State | Caesar Rodney |
| 1776 | 30 august | George Read | |
| 1777 | 21 february | John McKinly | |
| 1778 | 2 april | Caesar Rodney | |
| 1781 | 13 november | John Dickinson | |
| 1783 | 31 january | John Cook | |
| 1783 | 8 february | Nicholas Van Dyke | |
| 1786 | 27 october | Thomas Collins | |
| 1787 | 7 dicembre | 1^ state of U.S.A. |