What day of the week was August 21, 1879?

The day of the week August 21st, 1879 fell on was a Thursday.

Claude Grahame-White the English pilot (d. 1959) was born on 21 August in 1879.

The Virgin Mary the along with St. Joseph and St. John the Evangelist, reportedly appears at Knock Shrine in Knock, County Mayo, Ireland.