Input (grade 13): 1856, 1858, 1859: raids by John Brown in his fight against slaveryJohn Brown Chronology 1858 Felice Orsini tried to kill the Emperor Louis Napoléon Bonaparte, and failed, killing 8 people and wounding 142 others.
Output (grade 4): 19th century 1856, 1858, 1859, raids by John Brown in his fight against slavery.