Wikipedia:Selected anniversaries/March 30

This is a list of selected March 30 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. Please read the selected anniversaries guidelines before making your edit. However, if your addition might be controversial or on a day that is or will soon be on the Main Page, please post your suggestion on the talk page instead.

Please note that the events listed on the Main Page are chosen based more on relative article quality and to maintain a mix of topics, not based solely on how important or significant their subjects are. Only four to five events are posted at a time and thus not everything that is "most important and significant" can be listed. In addition, an event is generally not posted this year if it is also the subject of the scheduled featured article or picture of the day.

To report an error when this appears on the Main Page, see Main Page errors. Please remember that this list defers to the supporting articles, so it is best to achieve consensus and make any necessary changes there first.

March 29 March 31
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Blurb Reason
Earth Hour (20:30 local time in various areas, 2019); lots of CN tags
Spiritual Baptist/Shouter Liberation Day in Trinidad and Tobago stub
1282 – Sicilians began to rebel against the rule of the Angevin King Charles I of Naples, starting the War of the Sicilian Vespers. Vespers: refimprove section; War: needs more footnotes
1899 – A committee of the German Society of Chemistry invited other national scientific organizations to appoint delegates to form the International Committee on Atomic Weights. unreferenced section
1912 – Sultan Abdelhafid signed the Treaty of Fes, making Morocco a French protectorate. Treaty: refimprove, short; Protectorate: missing information
1940Second Sino-Japanese War: Wang Jingwei was officially installed by Japan as head of a puppet state in China. Wang: refimprove section; Regime: refimprove section
1954 – The Yonge–University–Spadina line, the first subway in Canada and the busiest in Toronto, opened. refimprove section
1961 – The Single Convention on Narcotic Drugs, an international treaty aimed against the illicit manufacture and trafficking of narcotic drugs, was signed. multiple issues
2006 – Aboard Soyuz TMA-8, on a mission to the International Space Station, Marcos Pontes became the first Brazilian in space. refimprove section
 · James Cagney (d. 1986) refimprove section


March 30: Land Day (Palestinians, 1976)

Moments after the attempted assassination of Reagan
Moments after the attempted assassination of Reagan

Ralph Sadler (d. 1587) · Beau Brummell (d. 1840) · Celine Dion (b. 1968)

More anniversaries: