September 01 in history: Beginning of World War II, first visit to Saturn and more

 | Updated: Sep 01, 2020, 07:40 AM IST

From UN announcing that Earth's population has hit three billion to US, Australia and New Zealand signing the ANZUS mutual defense treaty, here's what happened on this day in history

Germany invades Poland, commences World War II

Germany invades Poland, commences World War II

(Photograph:WION)

US, Australia and New Zealand sign the ANZUS mutual defense treaty

US, Australia and New Zealand sign the ANZUS mutual defense treaty

(Photograph:WION)

UN announces that Earth's population has hit three billion

UN announces that Earth's population has hit three billion

(Photograph:WION)

Colonel Muammar Gaddafi deposes King Idris in the Libyan revolution

Colonel Muammar Gaddafi deposes King Idris in the Libyan revolution

(Photograph:WION)
;

NASA's Pioneer 11 becomes first spacecraft to visit Saturn

NASA's Pioneer 11 becomes first spacecraft to visit Saturn

(Photograph:WION)