It is important to know the history of science because it tells us from where we have evolve ?, from where this universe is form ?,what techs our ancestor were using for there lively hood . etc
so answer to all the question are got from history only , Where as some modern techs we all are using are also based on the historical thing and science .Our Veda are answer to every question of the science , where science fails historical science (spiritual believe ) is there .
hope it help u
pls mark it as brainliest answer