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The '''March for Life''' is the largest and longest annual gathering in the history of the [[United States]]. '''About 400,000 (and growing) gather annually in [[Washington, D.C.]] in support of life and against [[abortion]]'''.<ref name="March for Life">http://www.marchforlife.org/</ref> By comparison, the biggest sports events attract attendance of only 100,000-250,000, and the biggest cities can accommodate tourism of only about 200,000 at any particular time. The March for Life was held on Friday, January 22, 2016, in [[Washington, D.C.]], shortly prior to an historic blizzard that closed the city. '''''The most recent next March for Life was will be held on Friday, January 2719, 20172018, at the same location'''''.
The March for Life began in 1974, on the first anniversary of ''[[Roe v. Wade]]'' (1973). In addition, over 100,000 gather around the nation in various cities, such as on the West Coast. A historically significant March for Life in D.C. was held on Friday, January 25, 2013 - near the 40th anniversary of [[Roe v. Wade]].<ref name="March for Life"/>