Submission deadlines in Personal Grants are yearly recurring deadlines that allow you to prepare well in advance.
NWO Talent Programme: Veni, Vidi, Vici and Rubicon
Please keep an eye on the NWO website for the actual status of each call. The Rubicon programme usually has three deadlines each year. Keep in mind your application can have multiple stages on which you are only eligible when you have participated in the first phase and are invited to submit in the second phase.
European Research Council: Starting, Consolidator and Advanced grants
Each year the ERC announces deadlines for the following application rounds. For up-to-date information, please have a look either at the ERC website directly, or on the ERC Wiki tab found in the ERC channel of the SBD-Grants Office Support Hub Teams environment.
Marie Skłodowska-Curie actions: postdoctoral fellowships
Under Horizon 2020 known as the "MSCA Individual Fellowships"
The European Commission displays a list of funding opportunities in the MSCA; please check the right name and year for this year's call.