232993 items with a valid date were considered for this timeline (59.74% of the total)
157013 items with an invalid date.
Help us in our quest to find exact dates for:
17??: 1 item.
189?: 158 items.
18??: 11 items.
190?: 98 items.
191?: 72 items.
192?: 95 items.
193?: 1005 items.
194?: 189 items.
195?: 329 items.
196?: 306 items.
197?: 1245 items.
198?: 20683 items.
199?: 46429 items.
19??: 12544 items.
200?: 31666 items.
201?: 8641 items.
202?: 673 items.
20??: 31830 items.
????: 1038 items.