1st week of year 1880

Monday, December 29, 1879 — Sunday, January 4, 1880

• Monday, December 29, 1879
• Tuesday, December 30, 1879
• Wednesday, December 31, 1879
• Thursday, January 1, 1880
• Friday, January 2, 1880
• Saturday, January 3, 1880
• Sunday, January 4, 1880