- - 366-day cycles
- - 366-day periods
- - They contain an extra day
- - 2020, 2024 …
- - 1776 and 1812, for two
- - Perhaps 2000 or 2020 players struggle to control Real's midfield
- - Numberless aches following long jump when Olympics are held
- - Presidential race settings
- - Presidential elections are held in them
- - The Summer Olympics are held in them
- - 2012, 2016, ...
- - Periodic synchronizations
- - When US presidents are almost always elected
- - 2004 and 2008
- - Quadrennial events
- - 2000 and 2004
- - When U.S. Presidents are elected
- - 1940, 1980, etc.
- - Calendar phenomena.
- - Thirteen since 1900.
- - When Presidential elections take place.
- - 2004 and 2008 [2 wds.]
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- [ Other definitions ]