WikipediaIn case you needed a rabbit hole today: https://en.wikipedia.org/wiki/Human_mail#Mailing_children
tommySuffragettes Elspeth Douglas McClelland and Daisy Solomon mailed themselves successfully to the then Prime Minister of the United Kingdom, H. H. Asquith at 10 Downing Street on 23 February 1909, but his office refused to accept the parcels
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