Early in the 1990's, there was a second big wave of immigration from the East.

But it always was, from the first great waves of immigration in the 1840's.

The next wave of immigration followed in the early 1880s.

A second wave of immigration began in the 1970s and has continued ever since.

There were two other significant waves of immigration at the end the 19th century.

By far the largest wave of immigration was during the 1960s and 1970s.

But, the first significant wave of German immigration was in 1838.

The second greatest wave of immigration has happened since 1998.

As a type, they've been around since the first wave of Italian immigration about 100 years ago.

One of the biggest immigration waves to Germany started in the 1960s.