History

Past service disruptions and maintenance events

27 December 1880 – 3 January 1881

No incidents

All systems operated normally during this period

20–27 December 1880

No incidents

All systems operated normally during this period

13–20 December 1880

No incidents

All systems operated normally during this period

6–13 December 1880

No incidents

All systems operated normally during this period

29 November – 6 December 1880

No incidents

All systems operated normally during this period