April.
| 9. | General Fitz Hugh Lee, consul-general, left Havana. |
| 15. | Legislature of Massachusetts appropriated $500,000 for local defence and equipment of troops. |
| 21. | Spanish government sent passports to U. S. Minister Woodford. |
| 22. | Colonel William A. Pew, Jr., commanding Eighth Regiment, M. V. M., tenders services of regiment to Governor Wolcott. |
| 23. | President William McKinley calls for 125,000 troops. |
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25. | Congress declares war to have existed with Spain since April 21. |
| Admiral Dewey and fleet sailed from Hong Kong for Manila. |
| Governor Wolcott received notification from Secretary of War regarding quota to be furnished by Massachusetts. |
| 27. | Governor Wolcott received letter from Secretary of War requesting four Infantry regiments, and one of heavy artillery. |
| 28. | Colonel Pew and commanders of Second, Sixth and Ninth Regiments ordered to Boston to hold conference with Governor Wolcott. |
| Officers of Eighth Regiment met Colonel Pew at State House and arrangements made for recruiting a regiment of volunteers. |
| Recruiting opened in cities and towns represented by companies in Eighth Regiment. |
| 29. | Eighth Regiment ordered to report at State Camp Grounds, South Framingham, May 5, at 11 A. M. |
May.
| 1. | Admiral Montojo's Spanish fleet destroyed in Manila Bay by fleet under command of Admiral Dewey. News received several days later. |
| 5. | Companies of Eighth Regiment left home stations amid ovations. Reviewed at State House by Governor Wolcott. Went into camp at South Framingham. |
| 6. | Examination of commissioned officers. |
| 7. | Examinations of enlisted men commenced. Many rejected and sent home. |
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10. | Companies B, F, E, G, L and M, sworn into the United States service. Governor Wolcott witnessed swearing in of Company L. |
| 11. | Companies A, C, D, H, I and K, sworn into the United States service, completing the regiment. Second Massachusetts Infantry left camp for Tampa, Florida. |
| 14. | Governor Wolcott and staff visited camp. Governor presented commissions to officers of Eighth Regiment. |
| Regiment received orders to move to Chickamauga Park, Georgia. |
| 16. | Regiment left camp for Chickamauga Park, Georgia, after being reviewed by Governor Wolcott. |
| 19. | Regiment arrived at Citico freight yard, outside Chattanooga, Tennessee. Arrived at Chickamauga Park, Georgia, early in evening and went into bivouac for night. |
| 20. | Marched to camp site on Alexander road and went into camp. Assigned to Second Brigade, Third Division, First Army Corps, with Twelfth New York and Twenty-First Kansas Regiments. Colonel Pew, senior commander, placed in command of brigade. |
| 28. | First death in regiment. Private Herbert O. Burnham of Company D, of Lynn. |
June.
| 3. | U. S. S. Merrimac sunk in entrance to Santiago harbor by Hobson and others. |
| 13. | Paymaster Barr, Eighth Regiment, M. V. M., arrived in camp with state pay. |
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17. | Bunker Hill day observed with bon-fire, and concert by Drum Corps. |
| 20. | Expedition under command of General Shafter landed at Baiquiri. |
| 24. | Action with the Spaniards at La Guasimas. |
| 29. | Colonel Pew relieved and brigade placed under command of General Waites of Texas. |
July.
| 1-2. | Actions with Spaniards at El Caney and San Juan hill. |
| Members of regiment transferred to United States Hospital Corps about this time. |
| 3. | Congressman William H. Moody of Massachusetts, arrived in camp. |
| Admiral Cevera's Spanish fleet annihilated off Santiago. |
| 4. | National holiday duly celebrated. Congressman Moody delivered patriotic address. Programme of sports interferred with by arrival of United States Paymaster. |
| 13. | First case of typhoid made its appearance in the regiment. |
| 17. | Regiment celebrated the fall of Santiago, assisted by Twelfth New York and Twenty-First Kansas Regiments. |
| 19. | Regiment, with exception of Company A of Newburyport, went on hike to Pea Vine valley, pitched camp and returned following day. |
| 23. | Old knapsacks, issued by state, condemned and burned. Blanket bags issued in their places. |
| 26. | Spain asks terms of peace. |
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29. | Eighth Regiment won division rifle match with score of 481. |
| 30. | First division sham fight took place. |
August.
| 9. | New stand of colors received by regiment. |
| Colonel Pew addressed men concerning typhoid fever. |
| 12. | Peace protocol signed and hostilities suspended. |
| 16. | First furloughs granted to men broken down in health. |
| Eighth Regiment participated in big review at Snodgrass Hill. |
| 22. | Bon-fire and celebration in honor of receipt of orders to break camp. |
| 23. | Regiment marched over road to Rossville, Georgia. Embarked for Lexington, Kentucky. |
| 24. | Arrived and went into camp on Clark farm at Montrose, a few miles outside of Lexington, Kentucky. |