A blood blister forms when skin and small blood vessels are damaged without breaking the skin. Trapped beneath the skin surface is some blood and skin fluid. Blood blisters are commonly caused by accidents in which the skin is pinched by a tool or a heavy weight, or they may occur from constant rubbing back and forth.
1 Sunshine hours in Chicago, Illinois range between 3:42 per day in December & 10:14 for each day in July. 2  The longest day of the year is 15:02 long and the shortest day is 8:57 long.  The longest day is 6:04 longer than the shortest day.
Start Time: 12 Noon. The Chicago parade is considered one of the largest Memorial Day parades in the nation. Since 1870, Memorial Day parades have graced the streets of Chicago. The City of Chicago celebrates the American's with Disability Act (ADA) with the 13th annual Disability Pride Parade. The City of Chicago celebrates the American's with Disability Act (ADA) with the 13th annual  The Columbus Day Parade celebrates Christopher Columbus historic voyage to America and Italian-American culture.