Question: when did christmas become a holiday in uk
[{'answer': '1834', 'provenance': [{'wikipedia_id': '6237', 'title': 'Christmas', 'start_paragraph_id': 56, 'start_character': 50, 'end_paragraph_id': 56, 'end_character': 54, 'bleu_score': 1.0, 'section': 'Section::::History.:Modern history.:19th century.\n'}]}, {'provenance': [{'wikipedia_id': '6237', 'title': 'Christmas', 'start_paragraph_id': 56, 'start_character': 0, 'end_paragraph_id': 56, 'end_character': 84, 'bleu_score': 0.8852140475440831, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5815724991881395995}, 'section': 'Section::::History.:Modern history.:19th century.\n'}]}]