at colpinno, at obukhovo, at pulkovo and krasnoye selo were formed provisional detachments, increased in size as the stragglers came in from the surrounding countrymixed soldiers, sailors and red guards, parts of regiments, infantry, cavalry and artillery all together, and a few armoured cars.
Capitalize this past sentence correctly.
At Colpinno, at Obukhovo, at Pulkovo and Krasnoye Selo were formed provisional detachments, increased in size as the stragglers came in from the surrounding countrymixed soldiers, sailors and Red Guards, parts of regiments, infantry, cavalry and artillery all together, and a few armoured cars.