Which decade between 1820 and 1860 experienced the highest number of immigrants?

1820-1829128,502

1830-1839538,381

1840-18491,427,337

1850-18592,814,554

1860-18692,081,261

1870-18792,742,287

1880-18895,248,568

1890-18993,694,294

1900-19098,202,388

1910-19196,347,380

1920-19294,295,510

1930-1939699,375

1940-1949856,608

1950-19592,499,268

1960-19693,213,749

The decade between 1851 and 1860 had the highest number of immigrants.

Explanation:

gaius cassius longinus and marcus junius brutus, former enemies of julius caesar who'd joined the roman senate, led caesar's assassination, dubbing themselves "the liberators." and the second one is   the assassination of julius caesar was the result of a conspiracy by many roman senators led by gaius cassius longinus, decimus junius brutus albinus, and marcus junius brutus. they stabbed caesar (23 times) to death in a location adjacent to the theatre of pompey on the ides of march 15 march 44 bc.