Evergreen date guide

What is celebrated on February 29?

See the observances and verified observance-history milestones attached to February 29. Each observance keeps its own source and date details.

0 observances

All observances on this date

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Some dates vary by year or need fresh confirmation before they appear.

How dates are selected

This page combines fixed annual dates, reusable calendar rules and year-specific dates confirmed for 2028. Variable or historical dates are included only when they are clearly supported.

Read the methodology →