In July 1863, the three regiments were brigaded together in what became known as the Corps D'Afrique.
But on Oct. 8, 1941, Joseph Stalin issued an order to deploy three regiments of female pilots, one of which became the Night Witches.
The state furnished two brigadier generals to the Continental Army, three regiments of regular troops, and hundreds of short-term militiamen.
Fortunately, the next three regiments of the Iron Brigade to arrive were formed into a line of battle to follow the Second Wisconsin into the fight.
All three regiments had white colonels, but the line officers in the First and Second Regiments were black, while the Third Regiment had both black and white officers.
Sebastian Hyatt, the chaplain of 2 Duke of Lancaster's regiment, one of three regiments deployed to deliver flood relief across the north of England, praised the residents of York.
Three regiments — the 63rd, 69th and 88th New York — formed the core of the Irish Brigade, along with the 116th Pennsylvania and the Irish-dominated 28th Massachusetts (a few other regiments also rotated through the brigade).
Three of the man-made islands have airfields and will be capable of supporting three regiments of fighters once it finishes construction of "24 fighter-sized hangars, fixed-weapons positions, barracks, administration buildings, and communication facilities at each of the three outposts".
Obama's words add to a sustained verbal attack by the US administration on the Pakistani government in the wake of the raid on the al-Qaida leader's lair in the middle of a busy garrison town that is home to three regiments, a military academy and thousands of soldiers.
In November of 1965, the American military command ordered Rescorla's unit, Bravo company of the Seventh Air Cavalry's 2nd Battalion, to the center of a hostile area to support a battalion surrounded by three regiments of hardened enemy troops — more than two thousand soldiers.
As McClellan reported: The brigade advanced steadily, driving the enemy from his positions in the woods and behind stone walls, until they reached a point well up toward the top of the pass, when the enemy, having been reenforced by three regiments, opened a heavy fire on the front and on both flanks.
