33
/pt/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 30, 2025
1928132
159211
2
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22 h 32 m, 11 out 1830 ano - doubts about the effectiveness of the Lancastrian system surfaced. With the decline of this teaching method, the use of monitors and sandboxes ended. Later the sandboxes would be replaced by individual slates.

Adicionado na linha do tempo:

Data:

22 h 32 m, 11 out 1830 ano
Agora
~ 195 years ago