A fact from San Lorenzo march appeared on Wikipedia's Main Page in the Did you know column on 25 February 2011 (check views). The text of the entry was as follows:
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Note: Just in case someone is concerned about the detail, Cayetano Silva died in 1920 and Carlos Benielli in 1934. Argentine copyright protection lasts for 70 years after the death of the authors, so the march itself is in public domain in Argentina and most countries. MBelgrano (talk) 03:13, 16 February 2011 (UTC)[reply]