This is a list of selected March 1 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.
Please note:
- Events listed on the Main Page are selected based on article quality and to provide a diverse range of topics, rather than solely on the importance or significance of the events.
- Only four or five events are featured each day; therefore, not all important or significant events can be included.
- An event is generally excluded if it is already the subject of the scheduled featured article, featured list or picture of the day.
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March 1: Casimir Pulaski Day in Illinois (2010); Independence Day in Bosnia and Herzegovina; Saint David's Day in Wales; Mărţişor in Romania and Moldova; Martenitsa in Bulgaria; Shushan Purim in Jerusalem and Susa (2010)
- 1562 – Troops of Francis, Duke of Guise, massacred Huguenots in Wassy, France, starting the French Wars of Religion.
- 1565 – The Portuguese founded Rio de Janeiro.
- 1872 – Yellowstone National Park, located primarily in the U.S. state of Wyoming, one of the first national parks in the world, was established.
- 1919 – Korea under Japanese rule: The Samil Movement began with numerous peaceful protests in Korea, but was brutally suppressed by the Japanese police and army.
- 1954 – The 15-megaton hydrogen bomb Castle Bravo was detonated (pictured) on Bikini Atoll in the Pacific Ocean, resulting in one of the worst cases of radioactive contamination ever caused by nuclear testing.
- 1956 – The NATO phonetic alphabet, today the most widely used spelling alphabet, was first implemented by the International Civil Aviation Organization.