History

Past service disruptions and maintenance events

25 December 1876 – 1 January 1877

No incidents

All systems operated normally during this period

18–25 December 1876

No incidents

All systems operated normally during this period

11–18 December 1876

No incidents

All systems operated normally during this period

4–11 December 1876

No incidents

All systems operated normally during this period

27 November – 4 December 1876

No incidents

All systems operated normally during this period