Bikin Kirsimeti, wanda ake yi domin tunawa da haihuwar Yesu Almasihu, ya samo asali tun daga karni na 4 a addinin Kiristanci. Cocin Katolika ta Roma ce ta fara bikin Kirsimeti a hukumance a ranar 25 ga Disamba, kimanin shekara ta 336 bayan haihuwar Yesu. Wannan ranar ta yi daidai da lokacin da Romawa suka saba yin bukukuwan da suka danganci lokacin hunturu, musamman biki mai suna "Saturnalia" da kuma "Dies Natalis Solis Invicti" (Ranar haihuwar Ranar da ba ta gaza).

Dalilin Zaben Ranar 25 ga Disamba

An zaɓi ranar 25 ga Disamba don daidaita bikin da bukukuwan al'ada na lokacin hunturu na Romawa da sauran al'ummomi, domin sauƙaƙa karɓar addinin Kiristanci a wancan lokaci. Wannan kuma ya taimaka wajen yin bikin cikin yanayi na murna da walwala.

Shugabannin Cocin da Suka Fara Jagorantar Bikin

Shugabannin Cocin Katolika sun taka rawar gani wajen tabbatar da bikin Kirsimeti a matsayin hutu na addini. Daga cikin shugabannin da suka kawo da jagorantar bikin akwai:

1. Pope Julius I (337–352): Shi ne ya tabbatar da ranar 25 ga Disamba a hukumance domin tunawa da haihuwar Yesu Almasihu.

2. Pope Liberius (352–366): Ya ci gaba da karfafa bikin a matsayin babbar ibada ta shekara.

3. St. Ambrose (340–397): Ya ba da gudummawa wajen rubuce-rubuce da wa'azuzzuka game da muhimmancin haihuwar Almasihu.

Kimanin Shekaru na Bikin

Daga lokacin da aka fara bikin a hukumance a shekara ta 336 zuwa yanzu (2024), kimanin shekaru 1,688 ne aka kwashe ana yin Bikin Kirsimeti.  

Wannan biki ya yadu zuwa dukkan bangarorin duniya, inda kowace coci da ƙasa ke gudanar da shi bisa al'adunsu da fahimtarsu ta addini.