On this day:

1830 One of the world’s best-known nursery rhymes, Mary had a little lamb, is published

1916 Last British-Indian contract workers arrive in Suriname

1970 Engineers begin drilling the world’s deepest hole, the kola superdeep borehole, of 40,230 feet depth

Born on this day:

1941 Bob Dylan, American singer-songwriter, guitarist, producer

Gone on this day:

1543 Nicolaus Copernicus, Polish mathematician, astronomer