Observances · UN international days
World Cleanup Day
Mon, September 20, 2021
5 yr ago
A United Nations international day.
Every year
World Cleanup DayAn event.6 yr agoUnited NationsDetails →
World Cleanup DayAn event.5 yr agoUnited Nations
World Cleanup DayAn event.4 yr agoUnited NationsDetails →World Cleanup DayAn event.3 yr agoUnited NationsDetails →World Cleanup DayAn event.2 yr agoUnited NationsDetails →World Cleanup DayAn event.14 mo agoUnited NationsDetails →World Cleanup DayAn event.2 mo agoUnited NationsDetails →World Cleanup DayAn event.in 10 moUnited NationsDetails →World Cleanup DayAn event.in 2 yrUnited NationsDetails →World Cleanup DayAn event.in 3 yrUnited NationsDetails →World Cleanup DayAn event.in 4 yrUnited NationsDetails →Also on Sep 20, 2021
Full moon: Harvest MoonTraditional North American name: Harvest Moon. Moon 389,978 km from Earth.5 yr agoNASA, computedDetails →50th anniversary: Hurricane Irene (satellite image pictured) moved into the Pacific Ocean from...In 1971, Hurricane Irene (satellite image pictured) moved into the Pacific Ocean from the Atlantic, making it the first actively tracked tropical cyclone to do so.5 yr agoWikipediaDetails →
Source, method and history
- Source
- United Nations
- How we know
- Fixed date from the United Nations list of international days.
- Recurs
- annual
- Feed
- Subscribe to UN international days
- Changes
- 2026-09-25: added to 2021-09-20