23rd January is National Hand Writing Day. Like all traditions its invented. In this case in 1977 by the US based .Writing Instrument Manufacturers Association, presumably to promote the sales of pens.
Judging by social media it has much wider currency than the US in 2023
Above is an example of Karl Marx’s handwriting which was barely readable. My handwriting is similar although that and the beard are the only direct links with the great North Londoner.
Although you, of course, are a far nicer person. ; + )
I believe that was the reason he was turned down for the only job he applied for in the UK, a railway clerk.