1st week of year 1866

Monday, January 1, 1866 — Sunday, January 7, 1866

• Monday, January 1, 1866
• Tuesday, January 2, 1866
• Wednesday, January 3, 1866
• Thursday, January 4, 1866
• Friday, January 5, 1866
• Saturday, January 6, 1866
• Sunday, January 7, 1866