In Education, as in many other areas, we need the past time and its experiences to bring us a rationality that the pressure of the present often does not allow us to reach. Between the four walls of a classroom, teachers and students were forced to confine, during the pandemic - COVID-19, endeavouring conditions to enjoy distance learning, making the space of their homes the virtual environment from school. Primary education was the one that suffered the most, due to being more attached to conventional methodologies and now feels obliged to "follow" this whole context, which came to determine re(i)novations in waterfall. We present a historical overview of pedagogical trends and reforms in primary education in Portugal. [ABSTRACT FROM AUTHOR]