225th anniversary: With the signing of the Third Treaty of San Ildefonso, Spain returned the...
History · Anniversaries · Wed, October 1, 2025
1800: With the signing of the Third Treaty of San Ildefonso, Spain returned the colonial territory of Louisiana to France in return for territories in the Italian region of Tuscany.
Also on Oct 1, 2025
| Date | Event | When |
|---|---|---|
| Wed, Oct 1, 2025 | 50th anniversary: In boxing, Muhammad Ali defeated Joe Frazier in a match known as the "Thrilla... | 12 mo ago |
Source, method and history
- Source
- Wikipedia
- How we know
- Wikipedia "On this day" selected anniversary, 225 years (1800 to 2025).
- 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.