 <translate> I got a question for you: In 1873 J.S. Fry & Sons of England introduced the first chocolate Easter egg in Britain.

Based on this passage, when did chocolate easter eggs originate in the uk?
Let's think first: <yor> Mo ní ìbéèrè kan fún yín: Ní ọdún 1873 ilé-iṣẹ́ J.S. Fry & Sons of England mú ẹyin òṣùpá Ọ̀sẹ̀ Àjíǹde tí ó jẹ́ ti ṣokoléètì àkọ́kọ́ wá sí ilẹ̀ Gẹ̀ẹ́sì.  Ní ìbámu pẹ̀lú àyọkà yìí, ìgbà wo ni ẹyin ọ̀sán Kérésì tí wọ́n fi súìtì ṣe ti wá láti ilẹ̀ Gẹ̀ẹ́sì? Ẹ jẹ́ ká kọ́kọ́ ronú: 