This is a list of selected July 26 anniversaries that appear in the "On this day" section of the Main Page. To suggest a new item, in most cases, you can be bold and edit this page. Before doing so, please review the selected anniversaries guidelines. If your suggestion is potentially controversial or relates to a day currently or soon to appear on the Main Page, post it on the talk page instead.
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- Only four or five events are featured each day; therefore, not all important or significant events can be included.
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July 26: Tu B'Av (Judaism, 2010); Independence Day in Liberia and the Maldives
- 811 – Bulgarian forces led by Khan Krum defeated the Byzantines at the Battle of Pliska, annihilating almost the whole army and killing Byzantine Emperor Nikephoros I.
- 1882 – Richard Wagner's opera Parsifal, loosely based on Wolfram von Eschenbach's epic poem Parzival about Arthurian knight Percival and his quest for the Holy Grail, officially premiered at the Festspielhaus in Bayreuth, present-day Germany.
- 1936 – The Canadian National Vimy Memorial (pictured), a memorial site near Vimy, Pas-de-Calais, France, dedicated to the memory of Canadian Expeditionary Force members killed during World War I, was unveiled.
- 1990 – U.S. President George H. W. Bush signed into law the Americans with Disabilities Act, a wide-ranging civil rights law that prohibits, under certain circumstances, discrimination based on disability.