1698/1699
For 1698/1699 the key weeks and dates were:
Week 1: 20 December to 27 December 1698
New Year 1699, Week 2: 27 December to 3 January 1699
Legal New Year, Week 14: 21 March to 28 March 1699
Week 51: 12 December to 19 December 1699
Week 51 is the last week of 1698/1699