What historical climate in both Rome and Jerusalem impacted how events unfolded during Easter Week? Blog: https://billpetro.com/history-easter-historical-climate/ #EasterWeek #PassionWeek

Pesach – when did it begin, how did the celebration change through the centuries, how is it connected with Easter. Blog: https://billpetro.com/history-of-passover #Passover #Pesach #LastSupper

What is the historical background across various countries and the modern exercise of this holiday? Blog: https://billpetro.com/history-of-april-fools-day #AprilFoolsDay

Many people are asking: What's going on between the President & the Supreme Court? Blog: https://billpetro.com/history-of-presidents-opposing-supreme-court #SupremeCourt #Presidents

What is the science and history of the Vernal Equinox; what are the major holidays that usher in Spring? Blog: https://billpetro.com/history-spring #VernalEquinox #Spring #Science #History

What is the history of the St Joseph's Day holiday, and of Joseph himself? Why is this holiday not more popular? Blog: https://billpetro.com/history-of-st-joseph #StJoseph #Italy #History

Was he British or Irish by birth? Learn his history, journey of faith, and historical impact on Ireland. Blog: https://billpetro.com/history-st-patricks-day #StPatrick #Ireland #Britain

The calendar significance of the Ides, and its epochal place in Roman history. Blog: https://billpetro.com/history-of-the-ides-of-march #IdesOfMarch #JuliusCaesar

On March 14, what's the science, math, history, and the music behind this geek holiday? Blog: https://billpetro.com/history-pi-day #PiDay #Geek

Backstory of the Jewish holiday celebrating the saving of the Jewish people from annihilation by Esther, Queen of Persia. Blog: https://billpetro.com/history-of-purim #Purim #Ester #Persia