What day of the week was September 15, 1835?

The day of the week September 15th, 1835 fell on was a Tuesday.

Sarah Knox Taylor the American wife of Jefferson Davis (b. 1814) died on this day in 1835.

the with Charles Darwin aboard, reaches the Galápagos Islands. The ship lands at Chatham or San Cristobal, the easternmost of the archipielago.