What do these numbers refer to?Give situations 1835 1856 1842 1850 1861 1857 1865 1858...

Question

What do these numbers refer to?Give situations 1835 1856 1842 1850 1861 1857 1865 1858 Помгите плиз

Answer 1

One thousand eight hundred thirty five-1835
one thousand eight hundred fifty six-1856
thousand eight hundred fifty-1850
one thousand eight hundred forty two-1842
one thousand eight hundred fifty seven-1857
one thousand eight hundred fifty eight-1858
one thousand eight hundred sixty one-1861
Удачи:)
one thousand eight hundred sixty five-1865