в тот день было много людей в центр

в тот день было много людей в центре, что прежде всего связано с Днем Независимости

Результаты (английский) 1:

that day was a lot of people in the Centre, mainly due to the independence day

Результаты (английский) 2:

in that day there were many people at the center, which is primarily due to the Independence Day

Результаты (английский) 3:

on that day, there were a lot of people in the center, which is primarily concerned with the independence day