LEARNT
| Date | Clue |
|---|---|
| 2023-03-01 | Discovered, British-style |
| 2022-03-13 | Came to know, old-style |
| 2017-09-03 | Mastered, British-style |
| 2013-12-15 | Picked up, in Britain |
| 2010-11-10 | Found out, British-style |
| 2008-09-23 | Found out, British-style |
| 2006-05-12 | Picked up |
| 2005-11-09 | Absorbed, in a way |
| 2003-06-14 | Found out |
| 1999-10-29 | Discovered |
| 1996-08-29 | Memorized |