upright=1.35|thumb|Rainald of Dassel (c. 1120–1167) Year 1164 (MCLXIV) was a leap year starting on Wednesday of the Julian calendar.
upright=1.35|thumb|Rainald of Dassel (c. 1120–1167) Year 1164 (MCLXIV) was a leap year starting on Wednesday of the Julian calendar.