On This Day: September 1

9 verified moments happened on September 1. Here they are in the order they actually happened — the same kind of puzzle you solve in Whensly every day.

1. 1939💣 German forces invade Poland at dawn, an act that prompts Britain and France to declare war and marks the start of the Second World War.USA 250 · Source: HISTORY.com / National WWII Museum, Germany invades Poland (Sept 1 1939)
2. 1969LeeRoy Yarbrough wins the Southern 500 at Darlington to become the first driver to sweep NASCAR's Triple Crown — Daytona 500, World 600, and Southern 500 — in a single season.Stock Car Racing · Source: Wikipedia, 'LeeRoy Yarbrough'; 1969 Southern 500 (Sep 1, 1969) — first NASCAR Triple Crown
3. 1972Bobby Fischer becomes World Chess Champion as Boris Spassky resigns the final gameSports · Source: Wikipedia 'World Chess Championship 1972' (Game 21 adjourned Aug 31, Spassky resigned by phone Sept 1, 1972); History.com 'Bobby Fischer becomes the first American to win the World Chess Championship, September 1, 1972'
4. 1984📺 Unranked BYU upsets No. 3 Pittsburgh 20-14 in ESPN's first live regular-season college football telecast.College Football · Source: ESPN Press Room, 'ESPN and BYU reach new media rights agreement' (Sep 1 1984)
5. 1985“Million Dollar Bill” Elliott wins the first Winston Million at Darlington's Southern 500Stock Car Racing · Source: Wikipedia, “1985 Southern 500”; NBC Sports
6. 1985🌊 Robert Ballard's team locates the Titanic wreck decades after the sinking, at a depth of 12,415 feet in the North Atlantic.History · Source: Woods Hole Oceanographic Institution; Wikipedia, 'RMS Titanic' (Sep 1 1985)
7. 1995🏛️ The Rock and Roll Hall of Fame museum in Cleveland is dedicated, its glass pyramid opened with a ribbon cut by Yoko Ono and Little Richard.Music · Source: Wikipedia, 'Rock and Roll Hall of Fame' museum dedication (Sep 1 1995)
8. 2007😱 Appalachian State blocks a last-second field goal to upset No. 5 Michigan 34-32 at the Big House.College Football · Source: Wikipedia, '2007 Appalachian State vs. Michigan football game' (Sep 1 2007)
9. 2021🇵🇹 Cristiano Ronaldo heads two late goals against Ireland, breaking Ali Daei's men's international scoring record for Portugal.Soccer · Source: Guinness World Records; Euronews (Sep 1 2021)