'First' in the Bible

The people came up from the Jordan on the tenth day of the first month, and camped at Gilgal on the eastern limits of Jericho.

Then I and all the people who are with me will approach the city. When they come out against us as they did the first time, we will flee from them.

to the descendants of Aaron from the Kohathite clans of the Levites, because they received the first lot.