![Older man and younger woman in running gear and bibs participating in the Boston Marathon near the one-mile remaining mark in Kenmore Square.](/web/20210418032030im_/https://www.timeanddate.com/gfx/190x126/boston-marathon-patriot.jpg)
Patriot's Day
Patriot's Day commemorates the battles of Lexington and Concord in 1775, which were two of the earliest battles in the American Revolutionary War.
Patriot's Day commemorates the battles of Lexington and Concord in 1775, which were two of the earliest battles in the American Revolutionary War.
Administrative Professionals Day® is on the Wednesday of the last full week of April. It remembers the important role of administrative professionals.
San Jacinto Day commemorates the Battle of San Jacinto in what is now Harris County, Texas.
Oklahoma Day in the United States marks the anniversary of the opening of Oklahoma's lands to European settlers.