History

Past service disruptions and maintenance events

25 December 1871 – 1 January 1872

No incidents

All systems operated normally during this period

18–25 December 1871

No incidents

All systems operated normally during this period

11–18 December 1871

No incidents

All systems operated normally during this period

4–11 December 1871

No incidents

All systems operated normally during this period

27 November – 4 December 1871

No incidents

All systems operated normally during this period