Public holidays
1878, USA, California
| # | Date | Public holiday |
|---|---|---|
| 1 | Tuesday, 1 January 1878 | New Year's Day |
| 2 | Monday, 4 February 1878 | Rosa Parks Day |
| 3 | Friday, 22 February 1878 | Washington's Birthday |
| 4 | Sunday, 31 March 1878 | César Chávez Day |
| Monday, 1 April 1878 | César Chávez Day (observance) | |
| 5 | Thursday, 30 May 1878 | Memorial Day |
| 6 | Thursday, 4 July 1878 | Independence Day |
| 7 | Monday, 2 September 1878 | Labor Day |
| 8 | Thursday, 28 November 1878 | Thanksgiving |
| 9 | Wednesday, 25 December 1878 | Christmas |