By 1830, massive German immigration to the city had occurred.

The 1920s were also a time of massive immigration into East Hollywood.

Population was growing rapidily, due to the massive immigrations from Europe.

These conditions led to a massive European immigration to the Americas.

In the late 1990s massive immigration to Ulaanbaatar from the countryside began.

The national monument recalls this period of massive immigration to the United States.

Álvarez was born at a time of massive immigration in Argentina.

This is the result of 40 years of massive and uncontrolled immigration.

Lebanon lost its sovereignty as a result of massive immigration.

Justification: all the Member States are facing serious human and economic problems because of the massive immigration from developing countries.