The Lamanites began to

1. Mosiah 11: 16-17
     16 And it came to pass that the Lamanites began to come in upon his people, upon small numbers, and to slay them in their fields, and while they were tending their flocks.
     17 And king Noah sent guards round about the land to keep them off; but he did not send a sufficient number, and the Lamanites came upon them and killed them, and drove many of their flocks out of the land; thus the Lamanites began to destroy them, and to exercise their hatred upon them.
2. Mosiah 21: 2
     2 And it came to pass that after many days the Lamanites began again to be stirred up in anger against the Nephites, and they began to come into the borders of the land round about.
3. Mosiah 24: 7
     7 And thus the Lamanites began to increase in riches, and began to trade one with another and wax great, and began to be a cunning and a wise people, as to the wisdom of the world, yea, a very cunning people, delighting in all manner of wickedness and plunder, except it were among their own brethren.
4. Alma 24: 4, 21
     4 And the king died in that selfsame year that the Lamanites began to make preparations for war against the people of God.
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     21 Now when the people saw that they were coming against them they went out to meet them, and prostrated themselves before them to the earth, and began to call on the name of the Lord; and thus they were in this attitude when the Lamanites began to fall upon them, and began to slay them with the sword.
5. Alma 25: 8
     8 Now this martyrdom caused that many of their brethren should be stirred up to anger; and there began to be contention in the wilderness; and the Lamanites began to hunt the seed of Amulon and his brethren and began to slay them; and they fled into the east wilderness.
6. Alma 35: 11
     11 And thus the Zoramites and the Lamanites began to make preparations for war against the people of Ammon, and also against the Nephites.
7. Alma 43: 50
     50 And they began to stand against the Lamanites with power; and in that selfsame hour that they cried unto the Lord for their freedom, the Lamanites began to flee before them; and they fled even to the waters of Sidon.
8. Alma 56: 30
     30 Now when we saw that the Lamanites began to grow uneasy on this wise, we were desirous to bring a stratagem into effect upon them; therefore Antipus ordered that I should march forth with my little sons to a neighboring city, as if we were carrying provisions to a neighboring city.
9. Alma 57: 12
     12 And it came to pass that not many days had passed away before the Lamanites began to lose all hopes of succor; therefore they yielded up the city unto our hands; and thus we had accomplished our designs in obtaining the city Cumeni.
10. Hel. 6: 34
      34 And thus we see that the Nephites did begin to dwindle in unbelief, and grow in wickedness and abominations, while the Lamanites began to grow exceedingly in the knowledge of their God; yea, they did begin to keep his statutes and commandments, and to walk in truth and uprightness before him.
11. Hel. 16: 15
      15 Nevertheless, the people began to harden their hearts, all save it were the most believing part of them, both of the Nephites and also of the Lamanites, and began to depend upon their own strength and upon their own wisdom, saying:
12. Morm. 4: 18
      18 And from this time forth did the Nephites gain no power over the Lamanites, but began to be swept off by them even as a dew before the sun.