Daily archive
Terra Tempus Daily #82 — August 21, 2026
These are the 5 rounds every player got on August 21, 2026, with the answers and the history behind them. This day is finished, so nothing here spoils a puzzle you can still play — today’s Daily Challenge is a different five events.
Not enough completed runs on this day to report an average without singling out an individual player’s score — we publish one from 5 finishers up.
Round 1
Battle of Puebla
Battle of Puebla · 1862 · 19th Century
Why there: Puebla sat astride the main invasion road from the Gulf port of Veracruz to Mexico City, and its fortified hilltop forts of Loreto and Guadalupe made it the natural chokepoint where an advancing army had to be stopped.
Why then: Mexico's suspension of foreign debt payments in 1861 gave France a pretext to invade while the United States, distracted by its own Civil War, could not enforce the Monroe Doctrine, opening a brief window for European intervention in the Americas.
- This was the Battle of Puebla in May 1862, during the French intervention in Mexico.
- The Mexican victory is the origin of the Cinco de Mayo holiday.
- It was fought at the city of Puebla, Mexico.
Round 2
Withheld from the archive
This round was played, but we do not republish it here. Recent events involving mass civilian casualties are excluded from our public archive under our content policy, whatever their place in the day’s puzzle.
Round 3
Battle of Saule
Battle of Saule · 1236 · Medieval
Why there: The Sword Brothers were pushing their crusade into Samogitia, whose dense forests, rivers, and marshes let local pagan tribes ambush heavily armored knights in terrain where cavalry and formations bogged down and lost their advantage.
Why then: By 1236 the Northern Crusades had reached the last unconverted corner of the Baltic, and the Livonian Sword Brothers were overstretched and weakened, so their catastrophic loss forced their remnants to merge into the Teutonic Order the next year.
- The Battle of Saule (1236) was a catastrophic defeat for the Livonian Brothers of the Sword against Samogitian and allied Baltic forces.
- The disaster led the surviving Brothers to merge into the Teutonic Order in 1237.
- Lithuania later commemorated the battle as a foundational moment of national resistance.
Round 4
Battle of Mons Graupius
Battle of Mons Graupius · 83 · Antiquity
Why there: The battle took place in the Scottish highlands because this was the far northern frontier of Roman Britain, where the terrain and scattered Caledonian tribes had allowed the natives to avoid a pitched fight while the legions pushed to the empire's extreme limit.
Why then: By AD 83 Rome had spent decades consolidating Britain and the governor Agricola had campaigned northward for years, so this was the moment his advancing legions finally forced the elusive Caledonians into the decisive open battle they had long avoided.
- The Battle of Mons Graupius (83 CE) was fought in the Scottish Highlands between Agricola's Roman forces and the Caledonian Confederacy.
- Our sole source is Tacitus, Agricola's son-in-law, who attributes a famous anti-imperial speech to the Caledonian leader Calgacus.
- Despite the Roman victory, the region was never permanently subjugated, and the army soon withdrew south.
Round 5
Withheld from the archive
This round was played, but we do not republish it here. Recent events involving mass civilian casualties are excluded from our public archive under our content policy, whatever their place in the day’s puzzle.
Every Daily Challenge is five real events, one from each of five different eras, identical for every player, scored up to 10,000 points a round on how close you land in space and in time. Read how to play, see where the events come from, or play today’s.
