Event record
International Earth Day. Celebrated since 1970 on 20 or 21 March.
- Updated
- 30 Sep 2019
How we know this
Last updated · 30 Sep 2019
South African History Online. (2012, March 16). International Earth Day. Celebrated since 1970 on 20 or 21 March.. South African History Online. https://sahistory.org.za/ref/E-0079444
South African History Online (2012) 'International Earth Day. Celebrated since 1970 on 20 or 21 March.', South African History Online, 16 March. Available at: https://sahistory.org.za/ref/E-0079444 (Accessed: 3 November 2026).
South African History Online, International Earth Day. Celebrated since 1970 on 20 or 21 March. [website], https://sahistory.org.za/ref/E-0079444, (accessed 3 November 2026).
"International Earth Day. Celebrated since 1970 on 20 or 21 March.." South African History Online, 16 Mar. 2012, https://sahistory.org.za/ref/E-0079444. Accessed 3 Nov. 2026.
South African History Online. "International Earth Day. Celebrated since 1970 on 20 or 21 March.." South African History Online. March 16, 2012. https://sahistory.org.za/ref/E-0079444.
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