September 11

2001 terrorist attacks on World Trade Center and Pentagon.

TerrorismHistoryTragedy

Complexity

Current best complexity is 7:

September 11
7
Discover this myself!

Statistics

Discovered by
11boards
Best recipe held by
5boards
First discovered
8 monthsago
Crafted
22times
Made with
9recipes
Used in
30recipes

Highlights

  1. First discovered by
    Alejandro's board
    · 8 months ago
  2. Lowest complexity7first held by
    orava's bored
    · 5 months ago
  3. Last crafted by
    very cool board
    · 1 month ago
  4. Last used in a recipe by
    very cool board
    · 1 month ago

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Technical information

Concept ID
2701
Color
#2c3e50
Emoji
🗼/✈️💥
Categories
Terrorism, History, Tragedy
Best complexity
7
First discovered
Feb 12, 2026, 16:05 UTC
Trademarked
No
Copyrighted
No

About "September 11" concept

September 11 can be discovered in Concepts, categorized under Terrorism, History, Tragedy. 2001 terrorist attacks on World Trade Center and Pentagon.

It has been discovered by 11 boards and crafted 22 times, first appearing 8 months ago. September 11 can be created from 9 recipes, and goes on to appear as an ingredient in 30 others.

September 11 was first discovered by Alejandro's board 8 months ago. The lowest-complexity recipe (7) is held by orava's bored.

Related concepts worth exploring include Ice Age, Krakatoa, Pompeii, Dust Bowl, Europe, Titanic, and 6 more.