Wikipedia:Selected anniversaries/April 25

This is a list of selected April 25 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, featured list 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.

← April 24	April 26 →

Staging area

Images

Use only ONE image at a time

• 
  Red Hat Society members
• 
  Daniel Defoe
• James D. Watson (requires undeletion)
  James D. Watson (requires undeletion)
• James D. Watson
  James D. Watson
• 
  DNA replicating
• 
  The double helix structure of DNA
• {{DYK listen|La Marseillaise.ogg|La Marseillaise}}
• The Chongzhen Emperor of Ming Dynasty China
  The Chongzhen Emperor of Ming Dynasty China
• 
  A guillotine
• 
  USS Triton (SSRN-586)

Ineligible

Blurb	Reason
Liberation Day in Italy	multiple issues; date not cited
Flag Day in the Faroe Islands	refimprove
Red Hat Society Day	unreferenced sections
; Freedom Day in Portugal (1974)	see below
1719 – Robinson Crusoe, a novel by English author Daniel Defoe about a castaway who spends 28 years on a remote tropical island near Venezuela, was first published.	refimprove sections
1792 – French composer Claude Joseph Rouget de Lisle wrote "La Marseillaise", now the national anthem of France.	refimprove section
1829 – Swan River Colony	Save for May 2
1920 – At the San Remo conference, the principal Allied Powers of World War I decided upon the League of Nations mandates for administration of the former Ottoman-ruled lands of the Middle East.	undue weight
1974 – The song "Grândola, Vila Morena" by Zeca Afonso was broadcast on radio, signalling the start of the Carnation Revolution, a bloodless coup against the Estado Novo regime in Portugal.	multiple issues
2005 – A commuter train came off its tracks in Amagasaki, Hyōgo, Japan, and rammed into an apartment building, killing the driver and 106 passengers and injuring 555 others.	refimprove

Eligible

• 1792 – The guillotine was first used to carry out capital punishment in France, with crowds marvelling at the machine's speed and precision.
• 1846 – An open conflict between the military forces of the United States and Mexico began over the disputed border of Texas north of the Rio Grande and south of the Nueces River, later serving as a primary justification for Mexican–American War.
• 1864 – American Civil War: Confederate troops overwhelmed a small Union detachment, leading to Union abandonment of their position in Camden, Arkansas.
• 1898 – The United States retroactively declared war on Spain, stating that a state of war between the two countries had already existed for the past couple of days.
• 1953 – "Molecular Structure of Nucleic Acids" by molecular biologists James Watson and Francis Crick was first published in the scientific journal Nature, describing the discovery of the double helix structure of DNA.
• 1959 – Linking the North American Great Lakes and the Atlantic Ocean, the Saint Lawrence Seaway officially opened to shipping.
• 1960 – The U.S. Navy submarine USS Triton (SSRN-586) completed the first submerged circumnavigation of the globe.
• 1986 – Mswati III was crowned King of Swaziland, succeeding his father Sobhuza II.

April 25: Feast day of Mark the Evangelist (Christianity); Anzac Day in Australia and New Zealand (1915); Liberation Day in Italy; Elbe Day in Russia and the United States (1945)

• 1644 – The Ming dynasty of China fell when the Chongzhen Emperor committed suicide during a peasant rebellion led by Li Zicheng.
• 1849 – After Lord Elgin, the Governor General of Canada, signed the Rebellion Losses Bill into law to compensate the residents of Lower Canada for losses incurred in Rebellions of 1837, protestors rioted and burned down the Parliament building in Montreal.
• 1915 – First World War: Australian and New Zealand Army Corps landed at Anzac Cove (pictured) while British and French troops landed at Cape Helles to begin the Allied invasion of the Gallipoli peninsula in the Ottoman Empire.
• 1945 – German troops retreated from northern Finland, bringing the Lapland War to a close.
• 1990 – Violeta Chamorro took office as the President of Nicaragua, the first woman elected in her own right as a head of state in the Americas.

More anniversaries:

• April 24
• April 25
• April 26