// todo need optimize like in event.jsp. Add indexing or not indexing this page. School museums become more prolific, including the first uses of instructional media such as charts, films, and exhibits, as supplemental materials (1 ene 1910 año – 1 ene 1920 año) (Cinta de tiempo)
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April 1, 2024
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School museums become more prolific, including the first uses of instructional media such as charts, films, and exhibits, as supplemental materials (1 ene 1910 año – 1 ene 1920 año)

Añadido al timeline:

fecha:

1 ene 1910 año
1 ene 1920 año
~ 10 years