SortStack #3441 — 2035-11-10

By duration · Order from shortest to longest.

1. The average adult's actual night of sleep 6.8 h

   Smartphone-tracking studies put the global average well under the recommended eight hours — and humans sleep less than virtually any other primate.

2. The Woodstock music festival of 1969 2.8 days

   Billed as '3 days of peace & music', it overran badly — Jimi Hendrix closed at 9 am on Monday to a field mostly littered with sleeping bags.

3. Munich's Oktoberfest 17 days

   Despite the name, most of it happens in September — and visitors drink roughly six to seven million litres of beer before it ends.

4. The Second World War 6 years

   From the invasion of Poland to Japan's surrender, it remains history's deadliest conflict — fighting officially ended on a battleship in Tokyo Bay.

5. The Hundred Years' War between England and France 116.6 years

   Despite the name, it lasted 116 years (1337-1453), punctuated by long truces — and technically England and France stayed at war on paper even longer.

6. The age of the oldest known figurative cave painting (Sulawesi) 51.1K years

   The Indonesian rock art depicts wild pigs and human-like figures — painted tens of thousands of years before Lascaux's famous bulls.

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