On This Day: June 21

7 verified moments happened on June 21. Here they are in the order they actually happened — the same kind of puzzle you solve in Whensly every day.

1. 17889️⃣ New Hampshire's convention narrowly ratifies the Constitution, providing the ninth state approval required to put the new frame of government into effect.USA 250 · Source: Constitution Center, New Hampshire ratifies, putting the Constitution into effect (Jun 21 1788)
2. 1893🎡 George Ferris's giant revolving wheel opens at Chicago's world's fair, towering over the Midway as a new marvel.History · Source: America Comes Alive; Wikipedia, first Ferris Wheel (Jun 21 1893)
3. 1970Pelé scores the opening goal as Brazil beat Italy 4–1 in the World Cup final in Mexico City — the greatest international team ever assembledSports · Source: Wikipedia, "1970 FIFA World Cup final"; FIFA
4. 1970Carlos Alberto finishes a flowing team move as Brazil beats Italy in the World Cup final.Sports · Source: ESPN, 'World Cup's Greatest Goals: Carlos Alberto' (Jun 21 1970)
5. 1970🏆 Captain Carlos Alberto thunders in Brazil's fourth as Pele and company dismantle Italy for a third title.Soccer · Source: Wikipedia, '1970 FIFA World Cup final' (Jun 21 1970)
6. 2012LeBron James wins his first NBA championship as the Heat beat Oklahoma CitySports · Source: Wikipedia '2012 NBA Finals'; Basketball-Reference (Game 5 June 21, 2012, Heat 121-106)
7. 2026Corey Heim takes his first career Cup win as the series races between the runways of Naval Base Coronado in San Diego, capping NASCAR's first race weekend on an active military base.Stock Car Racing · Source: NASCAR.com + Wikipedia (2026 Anduril 250)