Here are several European calendars in Excel and PDF formats. You can print them small or even use them as wall calendars. They are useful because they don’t separate the year into months but rather in weeks. This is very useful when marking deadlines because the whole year can be viewed linearly.

(Croatian Calendar) Tjedni radni kalendar za 2018 s državnim praznicima
(Hungarian Calendar) Heti Munkaido Naptár ünnepnapokkal 2018
(Italian Calendar) Calendario Settimanale di Lavoro 2018 con i giorni festivi
(Lithuanian Calendar) Savaitinis 2018 metų darbo kalendorius su valstybinėmis šventėmis
(Polish Calendar) Tygodniowy Kalendarz Pracy 2018 wraz z świętami publicznymi
(Romanian Calendar) Calendarul Săptămânal de Lucru 2018, cu sărbătorile legale
(Slovakian Calendar) Týždenný Pracovný Kalendár 2018 so štátnymi sviatkami
(Slovenian Calendar) Tedenski delovni koledar 2018 z državnimi prazniki