Il numero 1861, milleottocentosessantuno in Italiano, in Inglese si dice one thousand eight hundred sixty-one.
Il numero ordinale 1861° in inglese si dice one thousand eight hundred sixty-first.
1852: one thousand eight hundred fifty-two
1853: one thousand eight hundred fifty-three
1854: one thousand eight hundred fifty-four
1855: one thousand eight hundred fifty-five
1856: one thousand eight hundred fifty-six
1857: one thousand eight hundred fifty-seven
1858: one thousand eight hundred fifty-eight
1859: one thousand eight hundred fifty-nine
1860: one thousand eight hundred sixty
1862: one thousand eight hundred sixty-two
1863: one thousand eight hundred sixty-three
1864: one thousand eight hundred sixty-four
1865: one thousand eight hundred sixty-five
1866: one thousand eight hundred sixty-six
1867: one thousand eight hundred sixty-seven
1868: one thousand eight hundred sixty-eight
1869: one thousand eight hundred sixty-nine
1870: one thousand eight hundred seventy