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Common Flicker, Marsh River Bog Preserve, Newcastle (April 2009)
| 1852 | Incorporation of the town of Holden |
| 1861 |
Fort Sumpter in Charleston Harbor, South Carolina falls to Confederate forces, initiating the Civil War in which Maine became highly involved. | ||
| 2020 |  Maine CDC reports 698 cases confirmed for COVID-19 (Coronavirus); 273 recovered; 19 deaths to date. |