This is a list of selected March 7 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 or picture of the day.
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March 7: Clean Monday (2011); Teachers' Day in Albania; Casimir Pulaski Day in Illinois (2011)
- 161 – Following the death of Roman Emperor Antoninus Pius, Marcus Aurelius and Lucius Verus agreed to become co-Emperors in an unprecedented arrangement in the Roman Empire.
- 1850 – In support of the Compromise of 1850, United States Senator Daniel Webster gave his "Seventh of March" speech, which was so unpopular among his constituency he was forced to resign.
- 1871 – José Paranhos, Viscount of Rio Branco (pictured), became Prime Minister of the Empire of Brazil, starting a four-year rule, the longest in the state's history.
- 1914 – Prussian William of Wied began his short reign as sovereign prince of the newly independent state of Albania.
- 2009 – The Kepler space observatory, designed to discover Earth-like planets orbiting other stars, was launched.