Maundy Thursday

0In the Christian 05000, 01b00Maundy Thursday02b00 or 01b00Holy Thursday02b00 is the feast or holy day falling on the 05100 before 05200 that commemorates the 05300 of 05400 with the 05500. It is the fifth day of 05600, and is preceded by 05700 and followed by 05800.02br
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00On this day four events are commemorated: the 05900 by Jesus Christ, the institution of the Mystery of the 051000 at the 051100, the agony of Christ in the Garden of 051200, the 051300 by 051400.02br
00 The morning celebration of these events marks the beginning of what is called the 051500 or Sacred Triduum. The Latin word 01i00triduum02i00 means a three-day period, and the triduum in question is that of the three days from the death to the resurrection of Jesus. It should be noted that for Jesus and his followers a day ended, and a new day began, at sunset, not at midnight, as it still does today in the modern Jewish calendar.01sup^{051600 02sup}00The Last Supper was held at what present-day Western civilization considers to be the evening of Holy Thursday but what was then considered to be the first hours of Friday. Its annual commemoration thus begins the three-day period or triduum of Good Friday, Holy Saturday and Easter Sunday, days of special devotion that celebrate as a single action the death and resurrection of Christ, the central events of Christianity.02br
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01font00I02font01font00 have an insatiable interest in Judaism and Christianity. I have learnt many facets of those great religions. All right, today is Maudy Thursday.02font02br
00I have a question on the following sentence:02br
00 The morning celebration of these events marks the beginning of what is called the ...02br
00For me the subject is 'these events' which bears the plural nature.02br
00So the word 'marks' inappropriate. It should be 'mark'.02br
00What do you think? 0240hrefhttp://en.wikipedia.org/wiki/Liturgical_calendarcliturgical calendar241hrefhttp://en.wikipedia.org/wiki/ThursdaycThursday242cEaster243hrefhttp://en.wikipedia.org/wiki/Last_SuppercLast Supper244hrefhttp://en.wikipedia.org/wiki/Jesus_ChristcJesus Christ245hrefhttp://en.wikipedia.org/wiki/ApostlescApostles246hrefhttp://en.wikipedia.org/wiki/Holy_WeekcHoly Week247hrefhttp://en.wikipedia.org/wiki/Holy_WednesdaycHoly Wednesday248hrefhttp://en.wikipedia.org/wiki/Good_FridaycGood Friday249hrefhttp://en.wikipedia.org/wiki/Foot_washingcwashing of the Disciples' feet2410hrefhttp://en.wikipedia.org/wiki/Holy_EucharistcHoly Eucharist2411cLast Supper2412hrefhttp://en.wikipedia.org/wiki/GethsemanecGethsemane2413hrefhttp://en.wikipedia.org/wiki/Betrayal_of_Christcbetrayal of Christ2414hrefhttp://en.wikipedia.org/wiki/Judas_IscariotcJudas Iscariot2415hrefhttp://en.wikipedia.org/wiki/Easter_TriduumcEaster Triduum2416hrefhttp://en.wikipedia.org/wiki/Maundy_Thursday#cite_note-0c[1]