50th anniversary: Rain from a stalled thunderstorm caused six dams to fail, flooding Johnstown,...
History · Anniversaries · Tue, July 20, 2027
1977: Rain from a stalled thunderstorm caused six dams to fail, flooding Johnstown, Pennsylvania, resulting in 84 deaths and $340 in damages.
Source, method and history
- Source
- Wikipedia
- How we know
- Wikipedia "On this day" selected anniversary, 50 years (1977 to 2027).
- Recurs
- annual
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- Changes
- None recorded.
Sources: official schedules and published calendars, linked on every event; computed dates name their rule. Refreshed nightly.